Collection: Engine head

This collection includes cylinder heads, barrels and top-end rebuild kits for small engines ranging from 50cc to 140cc. These components are designed as direct replacements for popular models such as PW50, PW80, YX140 and Lifan 140cc pit bikes. Each kit provides the essential parts needed for restoring compression and reliable engine performance, making them ideal for maintenance, repairs or complete top-end rebuilds.