Cylinder Head for Honda GX340, GX390:
- Extend and smooth the inlet and outlet channels- Increase compaction
For larger valves, the valve seats must also be expanded (Art No. 3502).
The New Gage Roller Rockers are now available. These rockers have a true roller tip and are manufactured out of high quality billet aluminum suitable for your high RPM GX390. Easy application and extremely durable.
Reinforced aluminum push rod for Honda GX340 / 390.Length as original rod (165mm).
Note: A different guide plate (no.14791-ZK6-880) is required for this rod in the cylinder head!
When using the milled aluminum rocker arms (No. 1675), no sheet is required!