Stage 4 RZR Head rzr

Stage 4 RZR Head rzrStage 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

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

For those seeking even greater performance gains

including Turbo Max and Turbo R

A must for upgrading your AMG M157's engine and pairs with any Darton MID Sleeved Block

meticulously performed by our expert technicians in multiple phases

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

96 magnets per weight kit

Experience the ultimate off-road performance with the Can-Am X3 Stage 3 Trail-Maxx Crate Engine

406" Valve Lift (mm) 10

and turbo upgrades

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

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