Spec Clutch SB34MT2 Mini Twin Multi-Disc Clutch Kit D-Trim

The SPEC SB34MT2 Mini Twin D-Trim Clutch Kit is a high-performance multi-disc clutch and flywheel assembly engineered for demanding street and motorsport applications. Designed for limited street use, drag racing, road racing, time attack, drift, pulling, and autocross, this kit delivers outstanding torque capacity and engagement precision in a compact twin-disc package.

SPEC manufactures the Mini Twin line to an industry-leading .001-inch machining tolerance — ten times tighter than the industry standard of .010 inches — ensuring perfect rotational properties, concentric actuation, and optimized balance for enhanced drivability and long clutch life.

What's Included:

• Rebuildable multi-disc clutch assembly (D-Trim configuration)
• Rebuildable flywheel
• Grade 10.9 bolt kit
• Bearings

Key Features:

• Twin-disc design for increased torque capacity over single-disc setups
• Available in multiple clutch disc and flywheel materials, clamp loads, and disc configurations
• Flywheel manufactured from high-carbon billet steel or aircraft-quality billet aluminum with replaceable steel friction plate
• Rebuildable by SPEC or the end user — replacement components and rebuild services always available
• Designed, hand-built, and tested in the U.S.A.
• SFI approved

Supported Driving Applications: Limited Street, Drag, Drift, Road Racing, Time Attack, Pulling, Autocross, Rallye

The SPEC Mini Twin SB34MT2 is a fully rebuildable, race-proven clutch system built for drivers who demand precise engagement, high torque handling, and long-term reliability on both the street and track.