Spec Clutch ST622 Stage 2 Kevlar Clutch Kit

The Spec Clutch ST622 Stage 2 Clutch Kit is engineered for drivers who demand more from their drivetrain without sacrificing everyday usability. Designed for mild to moderately modified naturally aspirated and forced induction engines, this kit also performs exceptionally well at stock power levels where long service life and smooth daily drivability are the priority.

Key Features:

• Pure Kevlar® friction disc — segmented or full-faced configuration with steel backing for superior wear resistance and consistent torque transfer
• High-clamp pressure plate — provides increased clamping force over stock for reliable hold under elevated power demands
• Double-sprung hub with spring cover reliefs — heat-treated components deliver flexibility, strength, and long-term durability
• High-torque sprung hub and disc assembly — steps up torque capacity compared to Stage 1 while maintaining excellent street manners
• Bearing and alignment tool kit included — simplifies installation and ensures proper disc centering
• Flywheel not included — 21-input spline count; sold as a single-disc kit

Compared to the Stage 1, the Stage 2 offers slightly longer service life and higher torque capacity while retaining stock-like pedal feel and engagement quality. Intended use: Street, Drag, Pulling, and Autocross.