Spec Clutch SJ383 Stage 3 Performance Clutch Kit

The Spec Clutch SJ383 Stage 3 Clutch Kit delivers the ideal balance of aggressive performance and everyday streetability. Built around a carbon semi-metallic 6-puck sprung hub disc, this kit has established itself as the leading puck clutch in drivability, service life, and torque capacity across the SPEC performance lineup.

Engineered for high-demand street and track use, the Stage 3 is designed for drivers who need an assertive, high-torque clutch that remains manageable during daily driving. The sprung hub is double-sprung with spring cover reliefs for enhanced flexibility under load, while heat-treated internal components provide long-term strength and durability. Also available in a 3-puck configuration for select applications.

Key Features:

• Carbon-graphite friction material for superior heat resistance and torque capacity
• High-clamp pressure plate for firm, positive engagement
• Double-sprung hub with spring cover reliefs for flexibility and reduced drivetrain shock
• Heat-treated hub components for extended strength and durability
• High-torque sprung hub and disc assembly
• Bearing and tool kit included

Recommended Driving Applications:

• Street performance
• Drag racing
• Road racing
• Autocross
• Pulling
• Rallye and drift

The SPEC Stage 3 sits within SPEC's broad lineup of street and performance clutch kits, ranging from Stage 1 through Stage 5, with Stages 1–3+ recommended for street/strip use. All SPEC clutch kits and flywheels are SFI approved and manufactured in the USA.