2011 Polaris 800 Complete engine rebuild kit with Durability kit - Crankshaft, Cylinder, Piston kit Rush Assault Switchback Pro RMK Stage 3 Rebuild Kit - FORGED piston

GENUINE MCB Stage-3 COMPLETE engine Rebuild kit for the 2011 Polaris 800 CFI Dragon / Switchback / RMK/ etc. Fits all All 2011 Monoblock CFI engines.

** NOT FOR USE IN TURBOS **

Our Polaris 800 CFI FORGED Stage-3 Kits include the following:

1 - OEM Polaris Remanufactured crankshaft assy. with ALL NEW OEM Main bearings, NEW cross pins, NEW Rod bearings, NEW Drive gear, NEW center seals. Crank is trued and indexed to OEM or better specification. Crankshaft is ready to install.
2 - OEM Polaris Remanufactured and re-plated cylinder Mono-block. Bores are std. size, plating is the best in the industry and utilizes our proprietary hone finish and bore tolerances are BETTER than OEM. Typically we hold .0003 (Thats 3 TENTHS)for taper and roundness
3 - Genuine MCB FORGED Durability Top-End kit. Absolutely the best in the industry with PROPERLY designed pistons and components. MCB does NOT utilize generic off brand pistons in ANY of our kits. These are designed from the ground up to solve several issues with the 800CFI and the record speaks for itself with thousands in use today.
4 - Complete Professional engine gasket set including TTO Crankshaft seals, Interface gaskets, all O-rings and we even include all the injector o-rings!
5 - Polaris 800 CFI specific hints and tips sheet as well as a Top-end reference sheet

These MCB 800-CFI kits have proven themselves over the years to be the best quality engine kits with incredible reliability and when choosing this spacer style Durability kit a NOTICEABLE increase in power.

We always recommend the builder download online or purchase a Factory Service manual.

GENERAL GUIDELINE for Polaris 800 CFI Motor Cylinder Casting Numbers but you MUST verify your actual casting number:
2008/2009 =3021843
2010 =3022201
2011 =3022205
2011 MID - 2014 = 3022205 / 302249 / 3022352