11mm Performance Cylinder Head Assembly (larger valves) For Scooter 119QMB 117QMD GY6 11 61 81cc Upgrade Into GY6 81cc

High-concerned chemical : none Item Length : 1inch Displacement (ml) : 80cc No. of Cylinders : 1 Cylinder Special Features : Good Quality Item Diameter : 5cm Item Weight : 0.68kg Item Height : 6cm Item Width : 1inch External Testing Certification : iso9001 Model Name : GY6-80CC-50mm Brand Name : GTBMT Origin : Mainland China Item Type : Engine Cooling & Accessories Material : Metal label:yes