PRO R Stage 2 Cams rzr engines free from any contaminants that

free from any contaminants that may hinder performance

Our most recent update to our Rotax 900 block sleeving is certainly the most reliable and effective for containing all that added boost

355-T6 High Density Aluminum heads with thicker deck for boosted applications

while the bronze valve guides ensure exceptional durability and heat dissipation

promoting excellent sealing properties and maintaining consistent performance in extreme conditions

PRO R Stage 2 Cams rzr engines free from any contaminants thatBC0981 Polaris Pro R (21 up) Stage 2 Drop In Camshafts (pair) All purpose level spec, works with factory valve springs. Delivers excellent throttle response out of the turns or wash but still pulls on the straights. Adv Dur (. 020") 258 258 Dur @ . 050 230 230 Valve Lift (1: 1) . 420" . 420" Valve Lift (mm) 10. 67 10. 67