EVO '16-'20 Polaris RZR XP Turbo/S Tuner Secondary Clutch batteries and our high-quality parts deliver

and our high-quality parts deliver OEM performance or better

and it has 26% more efficient cooling than stock

The best part about these kits is the ability to adjust for tire size

This E-85 tune packs as much of a punch

EVO '16-'20 Polaris RZR XP Turbo/S Tuner Secondary Clutch batteries and our high-quality parts deliverEVO '16 '20 Polaris RZR XP Turbo S 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