Spec Clutch SD743-3 Stage 3 Performance Clutch Kit with Carbon Semi-Metallic 6-Puck Disc

The Spec Clutch SD743-3 Stage 3 Clutch Kit is a high-performance clutch system built for drivers who demand aggressive engagement without sacrificing daily drivability. Featuring a carbon semi-metallic 6-puck sprung hub disc, this kit delivers an industry-leading combination of torque capacity, longevity, and pedal feel — making it one of the most versatile puck-style clutch setups available for street and competition use.

The disc hub is double-sprung with spring cover reliefs to provide flexibility and smooth power transfer, while heat-treated internal components ensure long-term strength and durability under demanding conditions. Whether you're launching at the drag strip, navigating a rally stage, or pushing hard on the autocross course, the Stage 3 is engineered to handle the abuse.

Key Features:

• Carbon-graphite semi-metallic friction material for superior bite and heat resistance
• 6-puck sprung hub disc design for aggressive yet streetable engagement
• High-clamp pressure plate for increased clamping force and torque capacity
• Double-sprung hub with spring cover reliefs for flex and smooth power delivery
• Heat-treated hub components for enhanced strength and durability
• Includes bearing and tool kit
• Also available in 3-puck configuration

Ideal for street, drag racing, road racing, pulling, rallye, autocross, and drift applications, the Spec SD743-3 Stage 3 is the go-to upgrade for high-torque builds that require a clutch as capable on the track as it is on the commute.