Spec Clutch ST623 Stage 3 Performance Clutch Kit Carbon Semi-Metallic 6-Puck

The SPEC ST623 Stage 3 Clutch Kit is engineered for heavily modified street and race applications that demand aggressive holding power without sacrificing everyday drivability. Designed to bridge the gap between street use and competitive motorsport, this kit delivers high torque capacity with a comfortable pedal feel and quick, confident engagement.

Key Features:

• Carbon semi-metallic 6-puck sprung hub disc — the industry-leading puck clutch design for superior drivability, longevity, and torque capacity
• High-clamp pressure plate for maximum clamping force under demanding conditions
• Double-sprung hub with spring cover reliefs for enhanced flexibility and smooth power delivery
• Heat-treated internal components for increased strength and long-term durability
• 9.250 in. (235mm) disc diameter with 21-spline, 1.125 in. input shaft
• Available in 4-puck or 6-puck configuration depending on application (6-puck is standard on most fitments)
• Bearing and tool kit included for a complete installation solution
• Flywheel not included

Ideal Driving Applications: Street, Drag Racing, Drift, Road Racing, Rallye, Pulling, Autocross

SPEC Clutch designs and manufactures all products at their purpose-built facility in the USA, offering seven stages of single-disc clutches to match every performance level. The Stage 3 sits squarely in the street/strip performance range, making it an ideal upgrade for modified vehicles that still see regular street duty.