Spec Clutch SC681-3 Stage Performance Clutch Kit - 1

The Spec Clutch SC681-3 Stage 1 Clutch Kit is engineered for drivers who demand a meaningful performance upgrade without sacrificing everyday street manners. Built around an integrally molded carbon Kevlar-based high-performance organic lining, this clutch delivers smooth, predictable engagement and outstanding service life — even under demanding conditions.

The clutch disc features a steel-backed, multi-compound woven organic friction material bonded directly to the backing plate for exceptional strength under high clamp loads and elevated temperatures. The hub is double-sprung with spring cover relieves, providing added flexibility while heat-treated internal components ensure long-term durability. This kit is well-suited for stock and mildly modified naturally aspirated or forced induction engines, offering stock-like daily drivability with noticeably improved performance headroom.

Key Features:

• Carbon Kevlar-based high-performance organic friction lining for smooth engagement and long life
• Steel-backed, multi-compound woven organic clutch disc material
• High-clamp performance pressure plate for improved torque transfer
• Double-sprung hub with spring cover relieves for flexibility and vibration damping
• Heat-treated hub components for superior strength and durability
• Includes bearing and alignment tool kit

Recommended Driving Applications:

• Street
• Drag
• Drift
• Road Race
• Rallye
• Pulling
• Autocross

The SPEC Stage 1 is the ideal entry-level performance clutch for enthusiasts seeking a direct OEM replacement upgrade that handles spirited driving without the harsh engagement characteristics of more aggressive stage kits.