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80cc Motorized Bike Engine Cylinder Head
(30% More power than the other suppliers' Standard Kit)
(20% More power than our Standard CDH kit)
This is the original "round head" design from USA, made in China by 100% 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 This New Head because of superior design.
This special competition cylinder head features a more aggressive combustion
chamber design yielding greater power.

New products from manufacturers at wholesale prices