Spec Clutch ST063 Stage 3 Clutch Kit with Carbon Semi-Metallic Disc

The SPEC ST063 Stage 3 Clutch Kit is engineered for heavily modified street and race engines that demand serious torque capacity without sacrificing everyday usability. Featuring a high-clamp pressure plate and a carbon semi-metallic puck disc with a high-torque sprung hub, this kit strikes a balance between aggressive engagement and comfortable daily drivability.

Key Features:

• High-clamp pressure plate for superior clamping force under high-stress conditions
• Carbon semi-metallic 4 or 6 puck disc — 6 puck is standard on most applications; 4 puck available upon request
• High-torque sprung hub and disc assembly with double-sprung hub and spring cover reliefs for flexibility
• Heat-treated components for long-term strength and durability
• Complete kit includes pressure plate, disc, bearing, and tool kit
• Good wear characteristics under both low and high-stress usage

Intended Use: Street, Drag, Drift, Road Race, Rallye, Pulling, Autocross

The SPEC Stage 3 is the go-to choice for performance enthusiasts who need a clutch that can handle the demands of the track while remaining manageable on the street. Its sprung hub design provides a familiar engagement feel, making it one of the most versatile high-performance clutch options in the SPEC lineup.