Cylinder Head, 14cc, Bare header Manufactured from high quality aluminum

Manufactured from high quality aluminum

Choose between American rail spacing (2 7/8" on center) and International spacing (3 5/8" or 92mm on center)

Billet rods are required in modified engines as the stock rod is the weakest link in the engine

Billet connecting rod for the GX120

Instructions included

Cylinder Head, 14cc, Bare header Manufactured from high quality aluminum18510 Cylinder Head, 14cc, bare. Install your stock valve train or purchase new valve train. Smaller combustion chamber provides increased compression from 7. 9 (stock) to 10. 5. Great upgrade for more horsepower and torque. Brand new clone cylinder head.