Spec Clutch SA863FS Stage 3+ Performance Clutch Kit

The Spec Clutch SA863FS is a high-performance Stage 3+ clutch kit engineered for demanding street and race applications. This flagship stage clutch delivers exceptional torque capacity while maintaining manageable engagement characteristics suitable for high-powered vehicles.

Key Features:

• Carbon semi-metallic full-faced friction material for superior grip and extended service life
• Double sprung hub with spring cover reliefs for smooth engagement and reduced drivetrain shock
• Heat-treated components throughout for maximum strength and durability
• High clamp load pressure plate with billet steel pressure ring
• Non-SAC (Self-Adjusting Clutch) design for consistent pedal feel
• Includes bearing and installation hardware

Performance Benefits:

• High torque capacity for modified engines with increased power output
• Excellent friction coefficient provides reliable power transfer under extreme conditions
• Street-friendly engagement with race-ready performance capability
• Ideal for street, drag racing, road racing, autocross, rally, and drift applications

The Stage 3+ configuration bridges the gap between aggressive street performance and full race applications, offering unparalleled drivability without sacrificing torque handling capabilities. All SPEC clutch kits are designed, hand-built, and tested in the USA to exacting quality standards.

Important Installation Notes:

• Requires single-mass flywheel (SPEC or compatible aftermarket)
• Existing flywheels must be resurfaced prior to installation
• Minimum 450-mile break-in period required with primarily stop-and-go driving before full-throttle engagement