I have a set of 6X cylinder heads for sale. They have the valves and rockers in them. (dual spring)
Casting numbers on first head is 6X - B028 - GM8 - 4 Second one is 6X - B068 - GM7 - 4
Fit the 400-W72 engine. 93cc chamber. They are not magnafluxed. Photos available.
Asking 500.00 CAD obo. for the pair. Shipping is available in North America and I can get you pricing.