Spec Clutch ST593 Stage 3 Performance Clutch Kit

The Spec Clutch ST593 Stage 3 Clutch Kit is engineered for heavily modified street engines and motorsport applications that demand aggressive holding power without sacrificing daily drivability. Designed to deliver a balanced combination of high torque capacity, confident engagement, and manageable pedal feel, the Stage 3 sits at the crossroads of streetability and performance.

Key Features:

• High-clamp pressure plate for increased clamping force over OEM and entry-level performance units
• Carbon semi-metallic friction disc — available in 4 or 6 puck configurations; 6 puck is standard on most applications, 4 puck available by request
• High-torque sprung hub and disc assembly — double-sprung with spring cover reliefs for flexibility, and heat-treated components for strength and long-term durability
• Bearing and installation tool kit included
• Engineered and hand-built in the USA to strict tolerances

Intended Use: Street, Drag Racing, Drift, Road Racing, Rallye, Pulling, Autocross

The Stage 3 is part of Spec's seven-stage single-disc clutch lineup, positioned as the top street-oriented stage before transitioning to race-only kits. Every Spec Clutch kit and flywheel is SFI approved and manufactured to a .001 machine tolerance for optimal rotational integrity. Note: A flywheel is not included; if reusing the existing flywheel, it must be properly resurfaced before installation.