Spec Clutch SZ151 Stage Performance Clutch Kit - 1

The Spec Clutch SZ151 Stage 1 Clutch Kit is an ideal performance upgrade for bolt-on naturally aspirated engines and mildly modified forced induction applications. Engineered to deliver stock-like daily drivability with significantly improved durability and holding power over the factory clutch, the Stage 1 is the go-to choice for street-driven vehicles that occasionally see spirited or performance driving.

At the core of the Stage 1 disc is an integrally molded carbon kevlar-based, high-performance organic friction lining that provides smooth engagement and excellent service life. The lining features an integrally bonded steel backing for added strength under high clamp loads and elevated temperatures. The double-sprung hub includes spring cover relieves for flex and vibration absorption, with heat-treated components throughout for long-term strength and durability.

Kit Includes:

• High clamp performance pressure plate
• Steel-backed, multi-compound woven organic clutch disc
• High-torque sprung hub and disc assembly
• Release bearing
• Alignment tool

Key Features:

• Carbon kevlar-based organic friction material for smooth, street-friendly engagement
• Integrally bonded steel disc backing for strength under load and heat
• Double-sprung hub with spring cover relieves for flexibility
• Heat-treated hub components for enhanced durability
• Rated up to 252 ft-lbs of torque
• Suitable for street, drag, drift, road race, rallye, autocross, and pulling applications

The Spec SZ151 Stage 1 is the entry point into the SPEC performance clutch lineup — delivering the holding power and durability of a high-performance clutch without sacrificing the comfortable, daily-driver pedal feel that street-driven vehicles demand.