VHM (6mm thick insert) 5.90 +2.20 0.50 Cylinder head domeHONDA 50 NSR 50 R (AC14) - 1997 - 2000Ref : VHM0474 / VHMAE32276-E

The combustion chamber fits perfectly into the VHM cylinder head and is easy to replace. The last digits of the reference number are engraved on the insert for easy identification.

• Better overall performance
• Quick adjustment