800 RZR / Ranger cylinder head

MCB PREMIUM Re-manufactured, COMPLETELY assembled cylinder heads. All heads are OEM Polaris and ALL 700/800 heads are hot tanked, bead blasted, Exhaust guides upgraded to Bronze (Intake if needed), Newen CNC Contour Valve job, ALL NEW Intake and Exhaust valves Alloy Stainless NK401 and coated, All new Viton hat seals (superior to oem for high heat control), Deck is flatness certified and decked if necessary, New hdwe, and Head is assembled and vac. tested. Polaris OEM heads are known to wear seats and valve guides VERY quickly and this leads to quick engine failure, dont compromise your rebuild by not addressing this potential issue and key component of any proper engine rebuild. MCB has you covered with significantly upgraded heads that solve the OE problems at prices LESS that byuing stock components.