The Spec 07-10 BMW 335i/135i Stage 1 Clutch Kit is a high-performance clutch kit designed to provide superior performance and reliability for your BMW. It includes a pressure plate, clutch disc, and release bearing, and requires an SB53A-2 flywheel to complete the installation. The clutch is designed to handle up to 500HP and can be used for both street and track applications. It is made from high-quality materials and is designed to provide smooth, reliable shifting with minimal wear and tear. This kit is perfect for those looking to upgrade their BMW with a reliable, high-performance clutch kit.