RG500 Custom Cylinder Heads
RG500 heads with 'O' ring groove and removable combustion chamber. No longer a need for expensive head gaskets.
This is a service to remachine both your supplied cylinder heads.
Standard 56.00mm - 57.00mm
Big Bore 59.00mm - 60.00mm
Viton 'O' rings supplied.
Custom dome inserts can be manufactured to specific requirements.