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80cc Motorized Bicycle Engine Cylinder Head
CDH NEW cylinder head designed by China(different with one is USA), and made in China by CNC machine,
advantage: stronger power,better performance of air-cooling etc
This is the original "round head" design, made in the China by CNC machine
Higher compression; better cooling.
With new, competitive pricing, This head is designed for all big (47mm piston) bicycle motors with 8mm studs.
Serious engine builders use the Fred Head because of it's superior design.
This special competition cylinder head features a more aggressive combustion chamber design yielding greater power.
This head requires a 3/4 inch reach spark plug.
An advanced engine will require the use of race fuel.
More information and requirepment please freely contact us, we wait for your email