Spec Clutch SF333-4 Stage 3 Carbon 6-Puck Sprung Hub Clutch Kit

The SPEC SF333-4 Stage 3 Clutch Kit delivers an aggressive yet streetable performance upgrade for drivers who demand high torque capacity without sacrificing everyday drivability. Built around a carbon semi-metallic 6-puck sprung hub disc, this kit has established itself as the benchmark in puck-style clutch performance, balancing engagement feel, service life, and torque handling in a single package.

Engineered for street and performance driving environments alike, the Stage 3 is ideally suited for modified vehicles that see regular road use but also participate in track events, drag racing, or competitive motorsport. The hub features a double-sprung design with spring cover reliefs for enhanced flexibility, while heat-treated internal components provide long-term strength and durability under high-load conditions. A high-clamp pressure plate ensures reliable power transfer even under demanding conditions.

Key Features:

• Carbon semi-metallic 6-puck sprung hub disc for proven drivability and torque capacity
• High-clamp performance pressure plate for improved power transfer
• Carbon-graphite friction material for consistent performance and extended wear life
• Double-sprung hub with spring cover reliefs for flexibility
• Heat-treated hub components for strength and long-term durability
• High-torque sprung hub and disc assembly
• Includes release bearing and alignment tool kit
• Also available in 3-puck configuration

Ideal Applications: Street performance, drag racing, road racing, autocross, rally, pulling, and drift.