Cylinder Head Assembly - 54mm - 150cc ATVs - Version A Fits Coolster F3 and F5

Fits Coolster F3 and F5 scooters

Do you need your caliper fast

This specialty tool will make removal of those clutch nuts fast and easy

Fits 33cc - 50cc 2-stroke

Cylinder Head Assembly - 54mm - 150cc ATVs - Version A Fits Coolster F3 and F5Chinese ATV Cylinder Head Assembly 54mm 150cc Version A There are 2 versions of the GY6 150cc engine. This kit is for version A engine. PLEASE check measurements and specs BEFORE you order. Complete cylinder head assembly with valves for 150cc 4 stroke engines. Fits many makes and models of GY6 150cc engines. Check pictures, specs and measurements for verification of the correct part. The A engine has 54mm spacing, center to center, on the cylinder