This complete engine rebuild kit includes everything need to rebuild the top and bottom end of the engine.

This 488cc Kit is great for any application, MX, Duning, XC, TT, Drag, Trails, and Desert riding.

This Kit Includes:
-100mm Cylinder Works Big Bore Cylinder

-100mm 13.5:1 CP Forged High Compression Piston Kit (Includes Piston, Piston Rings, Wrist Pin, and C-Clips)

-100mm Cometic Top End Gasket Kit

-OEM Honda Crankshaft

-OEM Honda Bottom End Gasket Kit (Includes Crankcase Gaskets, Various O-Rings and Washers)

-OEM Honda Cam Chain

-OEM Honda Main Bearings and Seal Kit (Includes Both Left and Right Main Bearings and Seals)

This rebuild kit will allow you to rebuild your engine back to new condition with a good bump in performance from the Big Bore top end and high compression piston. This engine kit is a drop in kit and requires no machine work and no other modifications needed to install this kit. Cylinder Head Porting, Cams, Exhaust Pipe, and intake kit are all highly recommended with this kit to get the most power and torque out of the engine.

Cylinder Works Cylinder Features:

All Parts in this kit are the highest quality best parts available. These are all Brand New OEM Honda Parts except for the Big Bore Kit. The CP Piston included in this kit is the highest quality forged aluminum piston available. CP Pistons are made in the USA. Do not trust your expensive race engine to the cheaper aftermarket parts and kits that are known to fail and have reliability issues that can cause more damage to your engine if they fail.

The 13.5:1 Piston in this Kit requires 110+ Octane Race Fuel or Alcohol.