Stage 4 RZR Head rzr BC0981T - Polaris Pro R

BC0981T - Polaris Pro R (21-up) Stage 2+ Forced Induction Camshafts (pair)

For those seeking even greater performance gains

meticulously performed by our expert technicians in multiple phases

96 magnets per weight kit

Offset fin on both water and air sides of the core for rapid heat transfer

Stage 4 RZR Head rzr BC0981T - Polaris Pro RStage 4 Big Valve REQUIRES CORE CYLINDER HEAD CNC Ported Runners & Chambers Bronze valve guides honed to precise tolerances Performance Newen 5 Angle Radius Valve seat profiles Surfaced to single digit Ra's Assembled and blueprinted Hardware Included: BC Intake and Exhaust (inconel) Valves BC Beehive Spring kit with chromoly retainers New Valve Seals New Valve Locks