Spec Clutch SF873FT Stage 3+ Performance Clutch Kit 26-Spline

The Spec Clutch SF873FT is a high-performance Stage 3+ clutch kit engineered for demanding street and race applications. This complete kit features an 11-inch diameter carbon semi-metallic full-face disc with a 26-spline configuration and 1.125-inch input shaft diameter, delivering exceptional torque capacity of up to 790 ft-lbs.

Key Features:

• Carbon semi-metallic full-face disc material for superior friction coefficient and extended service life
• High-clamp diaphragm pressure plate for increased holding power
• Double-sprung hub with spring cover reliefs for smooth engagement and flexibility
• Heat-treated components throughout for maximum strength and durability
• 26-spline input shaft design for upgraded transmission applications
• Complete kit includes throw-out bearing, pilot bearing, and clutch alignment tool

The Stage 3+ is SPEC's flagship performance clutch designed for high-powered street vehicles and race cars requiring a balance of aggressive torque capacity with manageable, street-friendly engagement. Ideal for drag racing, pulling, autocross, road racing, rally, and drifting applications. This kit is specifically designed for use with Tremec transmissions and does not include a flywheel.