Spec Clutch SN54MT3 Mini Twin Multi-Disc Clutch Kit X-Trim

The SPEC SN54MT3 is a Mini Twin Multi-Disc Clutch and Flywheel Kit in X-Trim, engineered for high-performance and motorsport applications. Designed for drivers who demand extreme holding power and reliability, this kit delivers a significant upgrade over single-disc clutch systems through its dual-disc design and precision manufacturing.

SPEC Mini Twin assemblies are available in multiple trim levels — R-Trim, D-Trim, H-Trim, and X-Trim — with each offering different clutch disc materials, clamp loads, and disc configurations tailored to specific driving demands, from limited street use to all-out competition. The X-Trim configuration features a carbon composite full-face disc with an unsprung hub, delivering the highest friction coefficient and clamping force in the Mini Twin lineup.

Key Features:

• Multi-disc clutch and flywheel assembly for limited street, drag, and road race applications
• Available in R-Trim, D-Trim, H-Trim, and X-Trim configurations
• Carbon composite full-face disc construction (X-Trim)
• Manufactured to industry-leading .001-inch tolerances for perfect rotational balance and concentric actuation
• Rebuildable by SPEC or the end-user — replacement components always available
• Includes rebuildable flywheel, 10.9-grade bolt kit, and bearings
• Suitable for drift, drag racing, road racing, time attack, pulling, and rallye

Every SPEC Mini Twin kit is engineered with SFI-certified components and built to exacting tolerances that optimize balance, drivability, and clutch life. The rebuildable design ensures long-term serviceability, making it a cost-effective solution for serious performance builds.