Spec Clutch SPG63 Stage 3 Performance Clutch Kit

The Spec Clutch SPG63 Stage 3 Clutch Kit is a high-performance street/strip clutch solution engineered for drivers who demand aggressive torque capacity without sacrificing daily drivability. Built around a carbon semi-metallic 6-puck sprung hub disc, this kit delivers an industry-leading combination of engagement feel, long service life, and high torque handling in a single package.

The disc assembly features a double-sprung hub with spring cover reliefs for enhanced flexibility during engagement, while all hub components are heat-treated for maximum strength and long-term durability. The high-clamp pressure plate works in tandem with the carbon-graphite friction material to maintain a firm, consistent grip under demanding load conditions. All Spec clutch kits and flywheels are SFI approved.

Key Features:

• Carbon semi-metallic 6-puck sprung hub disc for superior drivability, longevity, and torque capacity
• High-clamp pressure plate for maximum clamping force and torque transfer
• Carbon-graphite friction material for consistent performance under high heat and load
• Double-sprung hub with spring cover reliefs for smooth, flexible engagement
• Heat-treated hub components for enhanced strength and durability
• Includes release bearing and alignment tool kit for complete installation
• SFI approved construction

Ideal Applications:

• Street driving
• Drag racing
• Road racing
• Autocross
• Pulling
• Rallye
• Drift

The SPG63 Stage 3 is the ideal upgrade for street and track vehicles requiring an aggressive yet streetable clutch engagement with the torque capacity to handle serious power. Also available in a 3-puck configuration for lighter pedal feel.