Spec Clutch SN623-2 Stage 3 Performance Clutch Kit 6-Puck Carbon Semi-Metallic

The Spec Clutch SN623-2 Stage 3 Clutch Kit is a high-performance clutch solution engineered for drivers who demand aggressive engagement without sacrificing street drivability. Built around a carbon semi-metallic 6-puck sprung hub disc, this kit delivers an industry-leading combination of drivability, longevity, and torque capacity in a puck-style clutch design.

The double-sprung hub incorporates spring cover reliefs for added drivetrain flexibility, while heat-treated internal components ensure exceptional strength and long-term durability under demanding conditions. A high-clamp diaphragm pressure plate maximizes clamping force to handle elevated torque loads, making this kit equally at home on the street or the strip. Also available in a 3-puck configuration for different engagement preferences.

Key Features:

• Carbon semi-metallic 6-puck sprung hub disc — proven leader in puck clutch drivability and torque capacity
• High-clamp diaphragm pressure plate for maximum holding power
• Carbon-graphite friction material for consistent, fade-resistant performance
• Double-sprung hub with spring cover reliefs for drivetrain flexibility
• Heat-treated hub components for superior strength and durability
• Throwout bearing and alignment tool included for a complete installation
• SFI approved clutch kit and flywheel design

Recommended Driving Applications:

• Street performance
• Drag racing
• Road racing
• Rally and autocross
• Pulling
• Drift

The Stage 3 sits within SPEC's streetable performance range (Stages 1–3+), offering a significant torque capacity upgrade over Stage 2 while maintaining a pedal feel and engagement character suitable for daily driving. Kit is sold complete with all necessary installation components.