Stage 4 RZR Head rzr including Turbo Max and Turbo

including Turbo Max and Turbo R

For those seeking even greater performance gains

this is a must have for your next build if planned on increased power levels

Redeeming this coupon entitles you to a generous credit that can be applied towards our exceptional engine building services and precision machining

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

Stage 4 RZR Head rzr including Turbo Max and TurboStage 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