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  • Polaris PRO "R" - STM Single-Stage Non-Bearing Rage 6 HD Primary for 4 Cylinder



    All new design for the New 4 Cylinder Engines with aftermarket Turbo or supercharger systems.

    **Springs and cam arms sold separately.

    This clutch utilizes TRA style or PS Style springs using the suppled shim per application. 

    Suggested cam arms