Spec Clutch SZ351 Stage Performance Clutch Kit - 1 Organic Full-Face Sprung Hub

The Spec Clutch SZ351 Stage 1 Clutch Kit is a high-performance upgrade engineered for drivers who demand reliable power delivery on the street and at the track. Built around an integrally molded carbon Kevlar-based organic friction lining, this clutch offers smooth, progressive engagement with exceptional service life under demanding conditions.

The friction disc features an integrally bonded steel backing that maintains structural integrity under high clamp loads and elevated operating temperatures. The hub assembly is double-sprung with spring cover reliefs, providing added flexibility and dampening, while heat-treated internal components ensure long-term strength and durability.

Key Features:

• High-clamp performance pressure plate for improved torque transfer
• Carbon Kevlar-based, high-performance organic full-face friction lining
• Steel-backed, multi-compound woven organic disc material
• Double-sprung hub with spring cover reliefs for flexibility and vibration dampening
• Heat-treated hub components for strength and long service life
• Includes release bearing and installation tool kit

Recommended Driving Applications:

• Street performance
• Drag racing
• Drifting
• Road racing
• Rally/Rallye
• Pulling
• Autocross

The Stage 1 is the ideal entry-level performance clutch for enthusiasts who want a meaningful upgrade over stock without sacrificing daily drivability. It is best suited for street use and a wide range of track and off-road applications.