Spec Clutch SB271 Stage Performance Clutch Kit - 1 Organic Full Face

The SPEC SB271 Stage 1 Clutch Kit is a high-performance clutch system engineered for bolt-on naturally aspirated and mildly modified forced induction engines. Designed to deliver stock-like daily drivability with significantly improved wear characteristics, the Stage 1 is SPEC's entry-level performance upgrade and an ideal choice for street driving as well as a wide range of motorsport disciplines.

At the heart of this kit is an integrally molded carbon Kevlar-based, high-performance organic friction disc 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 operating temperatures. The double-sprung hub incorporates spring cover reliefs for flexibility, while heat-treated internal components deliver long-term strength and durability.

Key Features:

• High-clamp diaphragm pressure plate for increased holding power
• Steel-backed, multi-compound woven organic friction material
• Full-face disc design — 10.500 in. (267mm) diameter
• Double-sprung hub assembly for smooth, progressive engagement
• 1.375 in. input shaft diameter with 10-spline count
• Throwout bearing included
• Alignment tool included
• Flywheel not included

Intended Use:

• Street
• Drag Racing
• Drifting
• Road Racing
• Rallye
• Pulling
• Autocross

The SPEC Stage 1 is the go-to clutch upgrade for performance enthusiasts who want a meaningful improvement over OEM without sacrificing everyday driveability. SPEC clutch kits are SFI approved and backed by SPEC's reputation for precision manufacturing and motorsport reliability.