143cc Big Bore Kit - 2014-Current CRF125F/FB chinese The kit also includes an

The kit also includes an all aluminum ceramic plated 67mm cylinder with a skirt

The included Stainless Steel Hardware and Allen wrench makes installing a breeze

Quality bearings ensure long life and performance

This system is NOT compliant with the California Environmental Protection Agency (E

We've increased the thickness of the aluminum side plates and given it a modern look with see through cutouts

143cc Big Bore Kit - 2014-Current CRF125F/FB chinese The kit also includes an143cc Big Bore Kit by Rad Speed & Design (56mm Bore) Fitment: 2014 Current Honda CRF125F & CRF125FB Kit Includes: OEM Quality 143cc Cylinder 56mm Wiseco Forged Piston w hardened anodizing and Teflon coated skirts Wrist pin and clips Piston Rings NGK Spark Plug Cometic Gasket Kit Options: 11: 1 Compression ratio piston (91 Octane Pump) 13: 1 Compression ratio piston (104 Octane+ Race Gas) Serious fun for the small bore. Proudly made in the USA! Please