Spec 07-09 BMW 135/335/535 Super Twin SST-Trim Hybrid Kevlar/Semi-Metallic Puck Clutch Kit

SPEC is known for making well-built performance drivetrain components, and this Super Twin SST-Trim Hybrid clutch kit is a prime example of their work. If you're looking to handle significantly more power in your 2007-2009 BMW 135i, 335i, or 535i, this kit is designed to get the job done. It's a twin-disc setup, which means it uses two clutch discs instead of one. This design spreads the load across more surface area, allowing it to hold much more torque than a single-disc clutch without slipping.

This particular kit features a hybrid puck design, combining the holding power of puck-style clutches with the drivability of a more traditional friction material. You get two Kevlar friction discs on one side and a semi-metallic puck disc on the other. Kevlar offers excellent heat resistance and smooth engagement, while the semi-metallic puck provides a strong, direct connection when you need it most. The SST-Trim aspect refers to SPEC's specific engineering for the transmission type, ensuring it works correctly with your car's gearbox. This setup is built to handle high horsepower and torque applications, making it a solid choice for heavily modified vehicles or those looking for maximum performance and durability under demanding conditions.

When installing a twin-disc clutch like this, it's important to follow the manufacturer's instructions carefully. Proper alignment and break-in are crucial for optimal performance and longevity. This kit includes the necessary components for the clutch itself, but you'll want to inspect your flywheel for wear and consider resurfacing or replacing it if needed. It's also a good idea to replace the pilot bearing and rear main seal while the transmission is out.