EVO Polaris STM Tuner Secondary Clutch wheel bearing With calibrations ranging from stock

With calibrations ranging from stock through all EVP Paragon

If you’re looking for a lightweight

center vent to get more air flow when you need it

Ranger XP 900 2018

and wherever you want

EVO Polaris STM Tuner Secondary Clutch wheel bearing With calibrations ranging from stockEVO Polaris STM Tuner Secondary Clutch Whether you're running an OEM, TAPP, or STM primary clutch, the STM Tuner Secondary is a must have addition to get the absolute most out of any power level. STM Tuner Secondaries are all billet construction and feature a finned design that creates more airflow within the clutch housing to help lower belt and all around clutch temperatures. Additional features include significantly enhanced belt grip, STM's triple