Spec Clutch SF442 Stage 2 Kevlar Clutch Kit - Full Face / Sprung Hub

The Spec Clutch SF442 is a Stage 2 performance clutch kit engineered for drivers who demand more holding power than a stock clutch without sacrificing everyday drivability. Designed for mild to moderately modified naturally aspirated and power-adder engines, the SF442 also performs reliably at stock power levels, making it an excellent choice for spirited street driving with outstanding wear life.

Key Features:

• Full-face pure Kevlar® friction disc with steel backing for excellent drivability and increased torque capacity over Stage 1
• High-clamp pressure plate for superior clamping force and consistent engagement
• Double-sprung hub with spring cover reliefs for flexibility and heat-treated components for long-term strength and durability
• 12-inch disc diameter with 10-spline input shaft interface (1.250 in. shaft diameter)
• Flywheel not included — single disc configuration
• Bearing and alignment tool kit included for straightforward installation
• Proudly made in the U.S.A.

Ideal Driving Applications: Street, Drag Racing, Pulling, Autocross

The SF442 strikes the ideal balance between performance and drivability — delivering stock-like pedal feel and long service life while handling the demands of a modified engine. Whether you're running a power adder or simply pushing your engine harder on the street and strip, the SPEC Stage 2 is built to keep up.