MCB Stage 5 Polaris RZR Razor 800 Ranger 800 COMPLETE Engine Rebuild Kit, Crankshaft, Pistons, Full Gasket kit, Cylinder, remanufactured head

MCB Performance Stage 5 COMPLETE Professional Engine rebuild kit for all 2008 AND UP Polaris RZR 800's. This exclusive kit is what we use for all in-House Engine builds and is proven to address the common wear items and DRAMATICALLY increase durability with MUCH Stronger, Precision components. You MUST specify your exact year and note your original cylinder casting number (for instance 5632934) to ensure getting the correct parts.

This MCB Stage 5 RZR rebuild kit includes ALL of the following:

Genuine Polaris completely replated cylinder block
MCB/HR NEW Forged heavy Duty Crankshaft / Rods assembly
Genuine Polaris completely Re-manufactured Cylinder Head with all new valves
MCB/Wossner Custom FORGED pistons with HD pins and premium ring sets
MCB/HR Premium Fitted Main bearing set
Complete counter balancer bearing kit
MCB/AT Complete gasket set with correct valve seals/spring seats
Correct crank case sealant
New OE Polaris Oil Pump complete with gear and seals.
New MCB COMPLETE Water Pump Rebuild Kit
MCB Custom Grind HO Camshaft & Lifters


NOTE: There is a core charge that will be refunded when sending us a re-plateable cylinder back. If you have any questions on the core charges or need further information on this kit please feel free to call us. We also stock Upgraded valves, retainers, Oils, filters and many other parts for these engines.

MAKE SURE YOU SPECIFY WHICH YEAR YOU HAVE AT CHECKOUT!!