Cylinder head for NMAX155 4 valves EX19/IN21
This is cylinder head assembly with 4 valves size EX19/IN21 for modification Yamaha NMAX155.
Fits for big bore cylinder kits 59-61mm. For increase power and speed. Supplied 4 valves head with camshaft, rocker arms, studs, screws, springs (all the details as on the photos).
- Product name
- Cylinder head
- N-MAX 155
- Valves sizes
- EX19 / IN21