4 valve cylinder head conversion kit for ultimate air flow and performance for your engine! Includes everything needed for assembly except gaskets. Piston with 4 valve pockets will be required.
Cylinder head will be from a selection of local brands of comparable quality, depending on stock availability.
- Minimum piston size 56mm
- Intake and exhaust valves (19in/17ex)
- Includes valves, roller bearing rocker arms, valve seats, valve springs, cylinder head covers.
- *head gasket not included!
Honda Cub C90
Honda Cub C100EX Dream/GN5/EX5/Astrea/Citi/Wave/Supra/Biz 100