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Get the power down to the ground with a new set of tires!!

STM Clutches

An affordable replacement for the stock primary clutch. Complete billet design that out performs the existing primary. Using our adjustable SUPERTIP CAM ARMS make it easy to customize to your exact riding style. These STM clutches will fit under the stock cover with no interference. They incorporate a fixed pin design that pivots the cam arm between two bushings and attaches the cam arm to the pin providing more durability to the cam arm pivot points. All parts are replaceable and stocked.

These clutches offers extremely smooth low engagement with improved torque, and top end speed improvement.

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