Spec Clutch SM48MTR Mini Twin Multi-Disc Clutch Kit R-Trim with UltraLight Aluminum Flywheel

The SPEC SM48MTR Mini Twin R-Trim is a high-performance multi-disc clutch and flywheel kit engineered for demanding street and motorsport applications. This R-Trim configuration includes SPEC's UltraLight Aluminum Flywheel, which reduces rotating mass for faster throttle response and improved engine performance compared to a standard steel flywheel.

Key Features:

• Dual-disc (Mini Twin) design for significantly increased torque capacity over single-disc setups
• R-Trim configuration includes SPEC's UltraLight aluminum flywheel for reduced rotational inertia
• Available in multiple clutch disc materials, clamp loads, and disc configurations to match your specific driving demands
• Machined to an industry-leading .001-inch tolerance for perfect rotational balance and concentric actuation
• Rebuildable by SPEC or the end user — replacement components and rebuild services are always available
• Optimizes balance, drivability, and clutch longevity
• SFI Approved construction

Intended Use:

• Limited Street
• Drag Racing
• Pulling
• Autocross
• Drift
• Road Racing / Time Attack
• Rallye

SPEC's Mini Twin assemblies deliver race-proven performance while maintaining rebuild flexibility, making the SM48MTR a smart long-term investment for high-output builds that demand more than a conventional single-disc clutch can provide.