Spec Clutch SA40MTR-3 Mini Twin Multi-Plate Clutch Kit R-Trim

The SPEC SA40MTR-3 Mini Twin Multi-Plate Clutch Kit is a high-performance multi-disc clutch and flywheel assembly engineered for limited street, drag race, road race, drift, time attack, and rally applications. Built for drivers who demand maximum power transfer and precise engagement, the Mini Twin series delivers race-proven performance in a compact, lightweight package.

SPEC manufactures each component to an industry-leading tolerance of one thousandth of an inch, ensuring perfect rotational balance, concentric actuation, and optimized drivability over the life of the unit. The result is a clutch system that performs consistently whether you're launching at the drag strip or attacking a road course.

Key Features:

• Multi-disc clutch and flywheel assembly for maximum torque capacity
• Available in multiple clutch disc materials, flywheel materials, clamp loads, disc configurations, and diameters
• R-Trim specification for aggressive performance applications
• Fully rebuildable by SPEC or the end user — replacement components and rebuild services always available
• Precision manufactured to 0.001" tolerance for superior rotational balance and concentric actuation
• Optimized for street/strip, drag racing, drifting, road racing, time attack, pulling, autocross, and rallye use

The SPEC Mini Twin platform is a modular system, allowing racers and enthusiasts to configure the clutch to match their specific power level and driving style. Whether you need a unit for spirited street driving or all-out competition, the SA40MTR-3 delivers the reliability and performance SPEC is known for.