{"title":"BTCC Big Brake Kits","description":"\u003cp\u003eShop BTCC Big Brake Kits at XC3 Engineering\u003c\/p\u003e","products":[{"product_id":"bmw-m3-e9x-e92-btcc-ap-racing-big-brake-kit-upgrade-cp-9660-complete-kit","title":"BMW M3 E9X \/ E92 BTCC Big Brake Kit - AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eTransform your BMW M3 E9X \/ E92 into a track-ready machine with the XC3 BTCC Big Brake Kit — a fully engineered, bolt-on solution that delivers race-grade braking performance, reliability and durability. Everything you need is included: calipers, bells, carriers, braided lines, hardware and rotors — no need to source parts individually.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2006-2012 BMW M3 E90 E91 E92 with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/div\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":45727517737227,"sku":"","price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_BIg_brake_Kit_2.jpg?v=1770140713"},{"product_id":"bmw-m2-f87-btcc-ap-racing-big-brake-kit-upgrade-cp9660-complete-kit","title":"BMW M2 \/ M3 \/ M4 F80 F82 F83 F87 – BTCC Big Brake Kit – AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp data-start=\"718\" data-end=\"1011\"\u003e\u003cstrong\u003eProduct Overview \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"718\" data-end=\"1011\"\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the BMW M2, M3 and M4 F8X chassis. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the F8X platform the stopping power it deserves.\u003c\/p\u003e\n\u003cp data-start=\"1013\" data-end=\"1318\"\u003eThe F8X cars are heavier, turbocharged, and place greater thermal load on the front brakes compared to earlier generations. This kit solves the F8X braking weakness by delivering stronger bite, improved pedal consistency and high-temperature endurance, perfect for track, clubsport or fast-road builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keeps our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRayBestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW M2 M3 M4 F8X with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/www.xc3.co.uk\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":46152602353931,"sku":"","price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_BIg_brake_Kit_2.jpg?v=1770140713"},{"product_id":"bmw-m2-m3-m4-f80-f82-f87-btcc-ap-racing-big-brake-kit-upgrade-cp9660-nickel-finish-complete-kit","title":"BMW M2 \/ M3 \/ M4 F80 F82 F87 BTCC Big Brake Kit – AP Racing CP9660 Nickel-Plated Calipers (Complete Kit) | XC3 Engineering","description":"\u003cp data-end=\"1011\" data-start=\"718\"\u003e\u003cstrong\u003eProduct Overview \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1011\" data-start=\"718\"\u003e\u003cmeta charset=\"utf-8\"\u003eUnlock serious stopping power for your BMW M2, M3 or M4 (F80, F82, F87) with this full BTCC-spec big brake kit from XC3 Engineering. Featuring premium nickel-plated AP Racing CP9660 calipers, CNC machined bells and carriers, high-mass 368 mm rotors, and stainless braided lines, this complete bolt-on system delivers exceptional braking performance for track days, clubsport builds, and high-performance road cars. Engineered for strength, consistency, and heat stability under extreme use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated finish\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keeps our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRayBestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBMW M2 M3 M4 F8X with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement Rotors → \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\" title=\"XC3 BTCC Rotors\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":52700831908107,"sku":null,"price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"},{"product_id":"bmw-m3-e9x-e92-btcc-ap-racing-big-brake-kit-upgrade-cp9660-nickel-finishcomplete-kit","title":"BMW M3 E9X \/ E92 BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your BMW M3 E9X \/ E92 with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2006-2012 BMW M3 E90 E91 E92 with OEM front Hubs\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":52700842918155,"sku":null,"price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"},{"product_id":"vw-golf-gti-r-mk5-mk6-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering","title":"VW Golf GTI \/ R MK5 MK6 BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your VW Golf GTI \/ R MK5 MK6 with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVW Golf GTI \/ R MK5 MK6\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53076636041483,"sku":null,"price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"},{"product_id":"vw-golf-gti-r-mk7-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering","title":"VW Golf GTI \/ R MK7 BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your VW Golf GTI \/ R MK7with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVW Golf GTI \/ R MK7\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53077577171211,"sku":null,"price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"},{"product_id":"audi-s3-8p-8v-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering","title":"Audi S3 8P \/ 8V BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your Audi S3 8P \/ 8V with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAudi S3 8P \/ 8V\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53077579989259,"sku":null,"price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"},{"product_id":"seat-leon-cupra-5f-btcc-big-brake-kit-ap-racing-cp9660-nickel-finish-complete-kit-xc3-engineering","title":"Seat Leon Cupra 5F BTCC Big Brake Kit – AP Racing CP9660 Nickel Finish Complete Kit | XC3 Engineering","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eUpgrade your Seat Leon Cupra 5F with a premium, track-ready brake system: the XC3 BTCC Big Brake Kit featuring nickel-plated AP Racing CP9660 calipers, CNC-machined alloy bells and carriers, 368 mm rotors, braided lines and all required hardware. Built for performance driving, club racing, track days or performance street use — delivering robust stopping power, durability, and consistent braking under high load.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660 - Nickel Plated\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keep our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRaybestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSeat Leon Cupra 5F\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53077581857035,"sku":null,"price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"},{"product_id":"seat-leon-cupra-5f-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering","title":"Seat Leon Cupra 5F – BTCC Big Brake Kit – AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp data-start=\"718\" data-end=\"1011\"\u003e\u003cstrong\u003eProduct Overview \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"718\" data-end=\"1011\"\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the Seat Leon Cupra 5F chassis. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the F8X platform the stopping power it deserves.\u003c\/p\u003e\n\u003cp data-start=\"1013\" data-end=\"1318\"\u003eThe F8X cars are heavier, turbocharged, and place greater thermal load on the front brakes compared to earlier generations. This kit solves the F8X braking weakness by delivering stronger bite, improved pedal consistency and high-temperature endurance, perfect for track, clubsport or fast-road builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keeps our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRayBestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSeat Leon Cupra 5F\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/www.xc3.co.uk\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53077590081803,"sku":null,"price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_BIg_brake_Kit_2.jpg?v=1770140713"},{"product_id":"vw-golf-gti-r-mk5-mk6-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering","title":"VW Golf GTI \/ R MK5 MK6 – BTCC Big Brake Kit – AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp data-start=\"718\" data-end=\"1011\"\u003e\u003cstrong\u003eProduct Overview \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"718\" data-end=\"1011\"\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the VW Golf GTI \/ R MK5 MK6  chassis. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the F8X platform the stopping power it deserves.\u003c\/p\u003e\n\u003cp data-start=\"1013\" data-end=\"1318\"\u003eThe F8X cars are heavier, turbocharged, and place greater thermal load on the front brakes compared to earlier generations. This kit solves the F8X braking weakness by delivering stronger bite, improved pedal consistency and high-temperature endurance, perfect for track, clubsport or fast-road builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keeps our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRayBestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVW Golf GTI \/ R MK5 MK6 \u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/www.xc3.co.uk\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53077591163147,"sku":null,"price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_BIg_brake_Kit_2.jpg?v=1770140713"},{"product_id":"vw-golf-gti-r-mk7-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering","title":"VW Golf GTI \/ R MK7 – BTCC Big Brake Kit – AP Racing CP9660 Complete Upgrade | XC3 Engineering","description":"\u003cp data-start=\"718\" data-end=\"1011\"\u003e\u003cstrong\u003eProduct Overview \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"718\" data-end=\"1011\"\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the VW Golf GTI \/ R MK7 chassis. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the F8X platform the stopping power it deserves.\u003c\/p\u003e\n\u003cp data-start=\"1013\" data-end=\"1318\"\u003eThe F8X cars are heavier, turbocharged, and place greater thermal load on the front brakes compared to earlier generations. This kit solves the F8X braking weakness by delivering stronger bite, improved pedal consistency and high-temperature endurance, perfect for track, clubsport or fast-road builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 (Project MU H21 also available please contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keeps our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRayBestos ST45 \u0026amp; Project Mu H21 comparison \u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.087%; height: 744.562px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 21.1909%; height: 19.5938px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 43.8174%; height: 19.5938px;\"\u003e\u003cstrong\u003eRaybestos ST45\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 34.2911%; height: 19.5938px;\"\u003e\u003cstrong\u003eProject Mu H21\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 58.7812px;\"\u003e\u003cstrong\u003ePad Compound \/ Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 58.7812px;\"\u003eMid-to-high performance racing compound, established racing pad material. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 58.7812px;\"\u003eHigh-end \u003cstrong\u003ecarbon-ceramic\u003c\/strong\u003e racing compound, competition-only spec. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eEndurance, heavy braking road-course racing, clubsport, track days — good balance of performance and rotor\/ pad wear. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eMotorsport \/ racing: GT, road course, short-oval, high-demand braking environments; “competition-only” pad. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.375px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 78.375px;\"\u003e\u003cstrong\u003eOperating Temperature Range (Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 78.375px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e– 700 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 78.375px;\"\u003e\n\u003cstrong\u003e200 °C – 850 °C\u003c\/strong\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 97.9688px;\"\u003e\u003cstrong\u003eFriction \/ Bite \u0026amp; Brake Feel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 97.9688px;\"\u003eConsistent, predictable mid-to-high friction — good modulation and stable performance under repeated heavy braking.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 97.9688px;\"\u003eVery aggressive, track-optimised friction; strong bite and fade resistance, stable through high heat cycles. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eRotor \/ Pad Wear \u0026amp; Rotor Friendliness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eLower wear rate compared to aggressive race pads; relatively rotor-friendly - a good compromise for clubsport\/use with repeated calls. \u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAccording to manufacturer - “very kind to the rotor,” even under high stress braking, despite high performance. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 156.75px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 156.75px;\"\u003e\u003cstrong\u003eUse-Case Strengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 156.75px;\"\u003e- Clubsport\/track-day cars that also see occasional road use - Situations needing consistent, repeatable braking under repeated heavy use - Good balance between performance \u0026amp; maintenance (rotor\/pad wear)\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 156.75px;\"\u003e- Full-on track cars, racing builds (GT, Time Attack, sprint, oval) - High-heat endurance or repeated hard braking - Builds where maximum braking performance is required and pad\/rotor wear is accepted as part of use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 117.562px;\"\u003e\n\u003ctd style=\"width: 21.1909%; height: 117.562px;\"\u003e\u003cstrong\u003eTrade-offs \/ Considerations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 43.8174%; height: 117.562px;\"\u003eSlightly less aggressive bite than “pure race” pads — may be less dramatic initial feel in very aggressive braking; but good balance overall.\u003c\/td\u003e\n\u003ctd style=\"width: 34.2911%; height: 117.562px;\"\u003eAs “competition-only” pad — may be noisy, dusty; cold-bite may be less predictable; less ideal for regular street use; pad\/rotor wear may be more demanding.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVW Golf GTI \/ R MK7\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca href=\"https:\/\/www.xc3.co.uk\/pages\/contact\" title=\"Contact us\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement Rotors → \u003ca title=\"XC3 BTCC Rotors\" href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53077592572171,"sku":null,"price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_BIg_brake_Kit_2.jpg?v=1770140713"},{"product_id":"audi-s3-8p-8v-btcc-big-brake-kit-ap-racing-cp9660-complete-upgrade-xc3-engineering","title":"Audi S3 8P \/ 8V – BTCC Big Brake Kit – Endurance AP Racing CP9668 25mm Pad Complete Upgrade | XC3 Engineering","description":"\u003cp data-end=\"1011\" data-start=\"718\"\u003e\u003cstrong\u003eProduct Overview \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1011\" data-start=\"718\"\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the Audi S3 8P \/ 8V chassis. Designed around the proven AP Racing CP9668 Endurance caliper and paired with our CNC-machined bells and carriers, this complete package gives the 8P \/ 8V platform the stopping power it deserves.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9668\u003c\/li\u003e\n\u003cli\u003eGrey Anodised calipers\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eBrand new Pagid RSL 29 25mm endurance pads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAudi S3 8P \/ 8V\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement Rotors → \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\" title=\"XC3 BTCC Rotors\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53167083290891,"sku":null,"price":3295.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_BIg_brake_Kit_2.jpg?v=1770140713"},{"product_id":"audi-s3-8p-8v-btcc-big-brake-kit-nickel-plated-ap-racing-cp9660-18mm-pad-complete-upgrade-xc3-engineering","title":"Audi S3 8P \/ 8V – BTCC Big Brake Kit – Nickel Plated AP Racing CP9660 18mm Pad Complete Upgrade | XC3 Engineering","description":"\u003cp data-end=\"1011\" data-start=\"718\"\u003e\u003cstrong\u003eProduct Overview \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1011\" data-start=\"718\"\u003eUnlock serious track-day performance with the XC3 BTCC Big Brake Kit for the Audi S3 8P \/ 8V chassis. Designed around the proven AP Racing CP9660 caliper and paired with our CNC-machined bells and carriers, this complete package gives the 8P \/ 8V platform the stopping power it deserves.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Contains:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXC3 Engineering custom anodised rotor bells\u003c\/li\u003e\n\u003cli\u003eXC3 Engineering custom anodised caliper brackets\u003c\/li\u003e\n\u003cli\u003eChemi black bracket hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing 6 piston Pro 5000 series R calipers CP9660\u003c\/li\u003e\n\u003cli\u003eNickel Plated calipers\u003c\/li\u003e\n\u003cli\u003eBraided brake lines \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Bobbins kit\u003c\/li\u003e\n\u003cli\u003e2x ex-BTCC 368mm x 36mm rotors\u003c\/li\u003e\n\u003cli\u003eEx-BTCC brake pads Raybestos ST45 Pads\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/p\u003e\n\u003cp\u003ePads are also used items, this again keeps our kit as cost effective as possible when replacing considerable parts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAudi S3 8P \/ 8V\u003c\/p\u003e\n\u003cp\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement Rotors → \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\" title=\"XC3 BTCC Rotors\"\u003eView Product \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/p\u003e\n\u003cdiv class=\"row\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53185166704907,"sku":null,"price":3395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"},{"product_id":"bmw-m3-e9x-e92-btcc-big-brake-kit-ap-racing-cp9668-endurance-caliper-xc3-engineering","title":"BMW M3 E9X \/ E92 BTCC Big Brake Kit - AP Racing CP9668 Endurance Caliper 25mm Pad | XC3 Engineering","description":"\u003ch4\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUpgrade the braking performance of your BMW E9X M3 with the XC3 Engineering BTCC Big Brake Kit featuring AP Racing CP9668 endurance calipers.\u003c\/p\u003e\n\u003cp\u003eBuilt around genuine ex-BTCC 368mm x 36mm floating brake rotors and the deeper-pad AP Racing CP9668 six-piston caliper, this complete front brake kit is designed for demanding track use, endurance driving and high-performance road applications, with consumables being very cost effective. \u003c\/p\u003e\n\u003ch4\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eComplete front big brake kit for the BMW E9X M3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAP Racing Pro5000R CP9668 six-piston endurance calipers - Anodised Grey finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFull-depth 25mm brake pad format\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGenuine ex-BTCC 368mm x 36mm floating brake rotors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 Engineering 6082-T6 Billet Aluminium Rotor Bells\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 Engineering \u003cmeta charset=\"utf-8\"\u003e6082-T6 Billet Aluminium caliper brackets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBraided Brake Line\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAP Racing floating bobbin hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-tensile caliper bracket mounting hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProudly Designed and Manufactured in the UK\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 manufactured components covered by our Lifetime Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eThe Endurance-Focused XC3 BTCC Brake Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe standard braking system on the BMW E9X M3 is capable for road use, but repeated heavy braking can expose its limitations during track driving.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLong braking zones, increased vehicle speed, high-grip tyres and repeated heat cycles all place greater demand on the brake system. As temperatures rise, drivers may experience reduced consistency, increased pad wear and a greater risk of brake fade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe XC3 BTCC Big Brake Kit addresses these limitations with a motorsport-derived braking package designed around increased thermal capacity, larger pad volume and consistent pedal response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAP Racing CP9660 vs CP9668 \u003c\/strong\u003e- Both calipers share very similar architecture, with the main difference being that the CP9660 runs a 18mm thick brake pad and the CP9668 runs a 25mm brake pad\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003eComplete Kit Contents\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2x XC3 Billet Aluminium Rotor Bells - Black Anodised\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e2x XC3 Billet Aluminium Caliper Brackets - \u003cmeta charset=\"utf-8\"\u003eBlack Anodised\u003c\/li\u003e\n\u003cli\u003eHigh Tensile Mounting hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Pro5000R CP9668 Endurance Calipers \u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003eAnodised Grey finish\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e1x Pair Ex-BTCC 368mm x 36mm Brake Rotors\u003c\/li\u003e\n\u003cli\u003e1x Set Pagid RSL 29 25mm Thick brake pads (other choice of pads available here)\u003c\/li\u003e\n\u003cli\u003e2 x AP Racing mounting Bobbins\u003c\/li\u003e\n\u003cli\u003e1x Pair Braided brake lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA Full bolt on kit with no need to source parts elsewhere\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment: \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBMW M3 E9X E90 E92 E93 2006 - 2012\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePurchase replacement BTCC Rotors ➡ \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement AP BTCC Bobbins ➡ \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/ap-racing-rotor-bobbins-btcc-disks-cp4135-107k12?_pos=2\u0026amp;_sid=b3577c360\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e  \u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53189203755275,"sku":null,"price":3895.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_BIg_brake_Kit_2.jpg?v=1770140713"},{"product_id":"bmw-m3-e9x-e92-btcc-big-brake-kit-nickel-plated-ap-racing-cp9668-endurance-caliper-25mm-pad-xc3-engineering","title":"BMW M3 E9X \/ E92 BTCC Big Brake Kit - Nickel Plated AP Racing CP9668 Endurance Caliper 25mm Pad | XC3 Engineering","description":"\u003ch4\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUpgrade the braking performance of your BMW E9X M3 with the XC3 Engineering BTCC Big Brake Kit featuring Nickel Plated AP Racing CP9668 endurance calipers.\u003c\/p\u003e\n\u003cp\u003eBuilt around genuine ex-BTCC 368mm x 36mm floating brake rotors and the deeper-pad AP Racing CP9668 six-piston caliper, this complete front brake kit is designed for demanding track use, endurance driving and high-performance road applications, with consumables being very cost effective. \u003c\/p\u003e\n\u003ch4\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eComplete front big brake kit for the BMW E9X M3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAP Racing Pro5000R CP9668 six-piston endurance calipers - \u003cmeta charset=\"utf-8\"\u003eNickel Plated finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFull-depth 25mm brake pad format\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGenuine ex-BTCC 368mm x 36mm floating brake rotors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 Engineering 6082-T6 Billet Aluminium Rotor Bells\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 Engineering \u003cmeta charset=\"utf-8\"\u003e6082-T6 Billet Aluminium caliper brackets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBraided Brake Line\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAP Racing floating bobbin hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-tensile caliper bracket mounting hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProudly Designed and Manufactured in the UK\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eXC3 manufactured components covered by our Lifetime Warranty\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eThe Endurance-Focused XC3 BTCC Brake Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe standard braking system on the BMW E9X M3 is capable for road use, but repeated heavy braking can expose its limitations during track driving.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLong braking zones, increased vehicle speed, high-grip tyres and repeated heat cycles all place greater demand on the brake system. As temperatures rise, drivers may experience reduced consistency, increased pad wear and a greater risk of brake fade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe XC3 BTCC Big Brake Kit addresses these limitations with a motorsport-derived braking package designed around increased thermal capacity, larger pad volume and consistent pedal response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAP Racing CP9660 vs CP9668 \u003c\/strong\u003e- Both calipers share very similar architecture, with the main difference being that the CP9660 runs a 18mm thick brake pad and the CP9668 runs a 25mm brake pad\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\n\u003cmeta charset=\"utf-8\"\u003eComplete Kit Contents\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e2x XC3 Billet Aluminium Rotor Bells - Black Anodised\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e2x XC3 Billet Aluminium Caliper Brackets - \u003cmeta charset=\"utf-8\"\u003eBlack Anodised\u003c\/li\u003e\n\u003cli\u003eHigh Tensile Mounting hardware \u003c\/li\u003e\n\u003cli\u003e2x AP Racing Pro5000R CP9668 Endurance Calipers \u003cmeta charset=\"utf-8\"\u003eNickel Plated\u003cspan\u003e finish\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e1x Pair Ex-BTCC 368mm x 36mm Brake Rotors\u003c\/li\u003e\n\u003cli\u003e1x Set Pagid RSL 29 25mm Thick brake pads (other choice of pads available here)\u003c\/li\u003e\n\u003cli\u003e2 x AP Racing mounting Bobbins\u003c\/li\u003e\n\u003cli\u003e1x Pair Braided brake lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA Full bolt on kit with no need to source parts elsewhere\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe BTCC rotors are previously used components. AP Racing do not offer this rotor size for public sale, as it is exclusively provided to BTCC teams. The rotors we supply have been used during a single session at a BTCC event and have undergone inspection to confirm they are in proper working order.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment: \u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBMW M3 E9X E90 E92 E93 2006 - 2012\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eLifetime Warranty\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis product is backed by the XC3 Lifetime Warranty, giving you complete confidence in its strength and durability. All XC3 components are designed and manufactured to the highest standards, ensuring long-term reliability and performance. Because we believe in the quality of our engineering, we offer a lifetime warranty on every part we produce.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003ePlease note these kits are made to order. We aim to keep everything in stock but some items may have a lead time. Please \u003ca title=\"Contact us\" href=\"https:\/\/www.xc3.co.uk\/pages\/contact\"\u003econtact us\u003c\/a\u003e for availability.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eInstallation to be carried out by a trained professional or Warranty can be void.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePurchase replacement BTCC Rotors ➡ \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/btcc-brake-rotors-368mm-x-36mm-ap-racing?_pos=3\u0026amp;_sid=95a257dc9\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePurchase Replacement AP BTCC Bobbins ➡ \u003ca href=\"https:\/\/www.xc3.co.uk\/products\/ap-racing-rotor-bobbins-btcc-disks-cp4135-107k12?_pos=2\u0026amp;_sid=b3577c360\u0026amp;_ss=r\"\u003eView Product\u003c\/a\u003e  \u003c\/p\u003e\n\u003c!----\u003e","brand":"XC3 Engineering","offers":[{"title":"Default Title","offer_id":53189352554763,"sku":null,"price":3995.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/8484\/2763\/files\/XC3_BTCC_Brake_Kit_Nickel.jpg?v=1774529642"}],"url":"https:\/\/www.xc3.co.uk\/collections\/btcc-big-brake-kits.oembed","provider":"XC3 Engineering","version":"1.0","type":"link"}