Cylinder head assy, GY6-72cc.-Ø47mm.

Scooter GY6-50cc Performance

Performance Cylinder head assy 72cc.

Fit for the GY6 50cc 139QMA/139QMB 4-stroke engines.

Include springs and valves.

• Cylinder Bore Ø: 47mm

• Inlet valve Ø: 18.5mm • Outlet valve Ø: 16mm
HEAD34S
In Stock

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