![Primo GY6 Valve Shim](http://primoscootercompany.com/cdn/shop/products/media_67b8c6cb-1a1f-476c-9edf-ea1882772427_{width}x.jpg?v=1585464762)
Valve Shim for 150cc and 125cc GY6 4-stroke QMI152/157 and QMJ152/157 engines and also fits on 150cc GY6 4-stroke ZNEN engines commonly found in Bintelli, Gorilla Motor Works (GMW) and Puma scooters.
Valve Shim for 150cc and 125cc GY6 4-stroke QMI152/157 and QMJ152/157 engines and also fits on 150cc GY6 4-stroke ZNEN engines commonly found in Bintelli, Gorilla Motor Works (GMW) and Puma scooters.