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Unlock serious track-day performance for your Audi S3 8P or 8V with the XC3 BTCC Big Brake Kit
Designed to fit:
2 x XC3 anodised rotor bells
ST45 is aimed at demanding road-race
Audi S3 8P / 8V
XC3 Engineering BMW M3 E9X E92 Upgraded Propshaft / Driveshaft bolts Big Brake Kit Unlock serious track-day performance forOverview The XC3 Engineering Upgraded Driveshaft Propshaft Bolts are designed to replace the factory BMW one time use fasteners fitted to the BMW M3 E9X drivetrain. OEM BMW bolts are supplied in 10. 9 tensile grade and are classified as single use stretch bolts, meaning they are designed to be replaced every time they are removed. Under repeated high load use, particularly on fast road or track driven vehicles, these fasteners can become a reliability
