Spec Clutch SZ47MTR Mini Twin Multi-Disc Clutch Kit R-Trim

The SPEC SZ47MTR Mini Twin Multiplate Clutch Kit is a high-performance multi-disc clutch and flywheel assembly engineered for limited street, drag race, road racing, and time attack applications. Designed for demanding performance use, this R-Trim twin disc kit is capable of handling up to 800 lb-ft of torque at the flywheel, making it an ideal upgrade for high-powered builds.

SPEC Mini Twin assemblies are available in a range of clutch disc and flywheel materials, clamp loads, disc configurations, and diameters — each matched to the specific demands of the intended driving application. The R-Trim designation identifies the disc material and friction characteristics suited to the performance profile of this kit.

Key Features:

• Twin multi-disc clutch and billet flywheel assembly
• Rated for up to 800 lb-ft torque capacity at the flywheel
• Manufactured to an industry-leading 0.001-inch tolerance for perfect rotational balance and concentric actuation
• Optimizes drivability, balance, and clutch longevity
• Fully rebuildable by SPEC or the end user
• Replacement components and rebuild services always available
• Designed, hand-built, and tested in the USA

Intended Driving Applications:

• Limited street use
• Drag racing
• Drift
• Road racing
• Time attack
• Pulling
• Rallye

SPEC manufactures this kit to the strictest tolerances in the industry, ensuring superior rotational properties and concentric actuation for optimized balance and long service life. The unit is fully rebuildable, and replacement parts or rebuild services are readily available through SPEC.