Spec Clutch SC375 Stage 5 Full-Metallic Clutch Kit

The Spec Clutch SC375 Stage 5 Clutch Kit is SPEC's highest-performance single-disc clutch, purpose-built for drag racing, pulling competitions, and heavily modified high-output engines. Engineered for applications demanding maximum holding power and progressive torque-induced engagement, the Stage 5 represents the top of SPEC's single-disc clutch lineup.

Key Features:

• Full-metallic sintered iron disc with the highest possible friction coefficient for maximum grip and torque transfer
• High-clamp pressure plate delivers exceptional clamping force to handle extreme power levels (up to 631 ft-lbs torque rating)
• Solid 12-rivet unsprung hub for instant, aggressive engagement
• Heat-treated disc assembly for superior strength and long-term durability under race conditions
• SFI approved — meets safety standards required for sanctioned racing events
• Designed, hand-built, and tested in the USA by SPEC Clutch

Kit Includes:

• High-clamp pressure plate
• Full-metallic rigid iron disc assembly
• Release bearing
• Installation tool kit

Intended Use: Drag racing and pulling applications. The Stage 5's rigid, unsprung iron disc engages instantly and aggressively, making it ideal for race-only builds. Not recommended for street use due to harsh engagement characteristics. For best results, this kit should be configured with input from a SPEC technical specialist based on your specific engine output and application.