Spec Clutch SZ152 Stage 2 Performance Clutch Kit - Kevlar Full Face

The Spec Clutch SZ152 Stage 2 Clutch Kit is a high-performance upgrade engineered for street, drag, autocross, and pulling applications. Ideal for mildly to moderately modified naturally aspirated and forced-induction engines, it also delivers outstanding results at stock power levels where long service life and everyday drivability are priorities.

Key Features:

• Kevlar Friction Disc: Segmented or full-faced pure Kevlar disc with steel backing for excellent drivability and extended wear life
• Higher Torque Capacity: Improved holding power over Stage 1, with a torque rating up to 252–288 ft-lbs depending on application
• High-Clamp Pressure Plate: Engineered for increased clamping force to handle performance driving demands
• Double-Sprung Hub: Features spring cover reliefs for drivetrain flexibility, with heat-treated components for strength and long-term durability
• 22-Spline Input Shaft Compatibility: 0.938 in. input shaft diameter; single disc design
• Complete Kit: Includes clutch disc, pressure plate, release bearing, and tool kit (where applicable); flywheel not included

Intended Use: Street, Drag Racing, Autocross, Pulling

The Stage 2 sits in SPEC's street performance lineup between the Stage 1 and Stage 2+, offering a meaningful step up in torque capacity while preserving the smooth, stock-like engagement feel that makes it suitable for daily driving. All SPEC clutch kits are SFI approved and manufactured to precise tolerances for consistent, repeatable performance.