Drill the valve seat rings and mill for large valves. Price per head = 2 valve seats.
Guide plate for aluminum stem rod no .: 1684
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).
Reinforced aluminum push rod for Honda GX160/200 Note: A different guide plate (no.14791-Z0V-880) is required for this rod in the cylinder head!
Complete with plate, wedges, rotocap