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STM Powersports Primary Drive Clutch for 2022+ Polaris RZR Pro R 4 Cylinder:
$2794.00
All new design for the New 4 Cylinder Engines
The design is similar to our HD clutches from other machines that offer a spread cam arm pin diameter. This allows for more leverage through the cam arms.
This clutch also incorporates a lager diameter 2 way bearing design for longer lifespan through use and smoother take off.
With a mild tune on a 4 seat machine we have seen top end speeds 118+ MPH with both STM primary and secondary together
