Chinese ATV Cylinder Head Assembly
57mm - 150cc
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 57mm engines. Check pictures, specs., & measurements for verification of the correct part.
The "A" engine has 54mm spacing, center-to-center, on the cylinder head stud holes. The "B" engine has 57mm spacing on the cylinder head stud holes.
- Intake port diameter: 28mm [1.10"]
- Exhaust port diameter: 23mm [.90"]
- Cylinder height: 60mm [2.36"]
- Cam and rocker arm not included.
*NOTE: If your head measure approx. 3" this head will not replace your head. Your engine is a 150cc VERSION B and requires a different head.
Need gaskets too?