Optimum-RR GM LS Race Clutch Kit – 7.25″


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The latest in purebred race-clutch technology has arrived. Designed to fulfill the wishes of every modern Camaro, Corvette, or Mustang road racer, the Optimum-RR series of clutches from Quarter Master® feature a NASCAR-derived 7.25″ two- or three-disc clutch which is rebuildable and optimized for strength without compromising weight or moment-of-inertia. Each clutch also utilizes the latest in gear-drive technology, with .104″ race or .250″ “rally” friction material that allows for quick, smooth shifts. Slotted pressure plate and floater plates allow for better gas evacuation and superior cooling.

The complete kit includes the Optimum-RR Clutch with button-type flywheel, Tri-Lite Hydraulic Release Bearing and adapter, and all necessary hardware, including clutch fasteners and replacement flywheel bolts. Camaro and Corvette racers will need to supply a factory-style flexplate, available at any GM dealership (GM Part# 12602448).

  • NASCAR-Derived Clutch Unit is Durable Enough To Withstand the Increased Demands Of Race Applications
  • High-Performance Gear Drive Discs Provide Quick & Smooth Shifts
  • Slotted Pressure & Floater Plates Aid Gas Evacuation & Provide Superior Cooling Properties
  • Tri-Lite Release Bearing Replaces Troublesome Production Unit For More Reliable Service

Additional information

Input Shaft




Clutch Discs

2-Disc, 3-Disc

Disc Size


Clutch Series



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