and KTM® transmissions and clutches

Lower exhaust temps due to a more powerful

SwitchBack 600 SP 2017-2019

Pro RMK 850 AXYS w/155"x3" track • 2022

a heavy-duty case and terminals

Ported Head Kit / Pro R Category_Default Category/SXS and KTM® transmissions and clutchesWhether you plan to keep your Polaris Pro R naturally aspirated or adding turbocharged performance, a ported head adds airflow with oversized valves, and CNC precision porting. Paired with our custom . 430 lift cam this kit adds 90hp from stock when paired with our exhaust. Huge gains in torque as well which really gets the heavy ProR accelerate faster! STAGE 5 +4 mm intake and +1 exhaust valve Up to 330hp at the crank . 430 Lift cams BMP Custom High