Primary Clutch STM / ProR

Rage 6: Single Stage with Heavy duty bearing. Use for High HP applications.

Rage 4:This clutch also incorporates a lager diameter 2 way bearing design for longer lifespan through use and smooth gear selection.

-Stock replacement style clutch fits under stock clutch housing and uses stock bolt

-Uses stock or stock replacement style belts

-Can be used with the stock or STM billet Tuner secondary clutch.

-Uses PS style springs with no spacer or PATV style springs with included spring spacer.

-Different base weight cam arms available for stock to boosted application’s

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 and the ability to run most 5/16″pin style cam arms.

With a mild tune on a 4 seat machine we have seen top end speeds of 118+ MPH with both STM primary and secondary together.