The Spec 07-10 BMW 335i/135i Stage 3+ Clutch Kit is a performance-oriented upgrade for the BMW 3-Series. It is designed to provide improved clutch engagement and higher torque capacity than the factory clutch. It includes a pressure plate, a clutch disc, and a release bearing. The kit requires an SB53A-2 flywheel, which is sold separately. This clutch kit is designed for extreme performance applications and is intended for race use only.