Spec Clutch SZ353 Stage 3 Performance Clutch Kit 6-Puck Carbon Semi-Metallic

The Spec Clutch SZ353 Stage 3 Clutch Kit is a high-performance clutch system engineered for drivers who demand aggressive engagement without sacrificing daily drivability. Built around a carbon semi-metallic 6-puck sprung hub disc, this kit delivers an industry-leading balance of torque capacity, longevity, and street-friendly response.

Designed for both street and competition use, the Stage 3 kit features a double-sprung hub with spring cover reliefs for added flexibility, paired with heat-treated internal components for maximum strength and durability. The high-clamp pressure plate and carbon-graphite friction material work together to handle elevated torque loads while maintaining a predictable, controllable engagement feel. A 3-puck configuration is also available for select applications.

Key Features:

• Carbon semi-metallic 6-puck sprung hub disc — proven leader in puck clutch drivability, life, and torque capacity
• High-clamp pressure plate for increased clamping force and torque handling
• Carbon-graphite friction material for aggressive yet streetable engagement
• Double-sprung hub design with spring cover reliefs for flexibility under load
• Heat-treated components for strength and long-term durability
• Includes bearing and tool kit for complete installation
• SFI approved — meets safety certification standards

Recommended Applications:

• Street Performance
• Drag Racing
• Road Racing
• Autocross
• Rally / Rallye
• Pulling
• Drift

The Spec Stage 3 sits in the street/strip range of Spec's performance lineup, making it an ideal upgrade for high-powered street cars or dual-purpose builds that see occasional track duty. For even higher torque demands, the Stage 3+ and Stage 4 options are also available.