Fits all small block engines (Honda Z50 from 1988 and chinese replica). Finally a replacement for the discontiuned Takegawa +R head.
The famous TB V2 head with 23,5/28,5 valves, roller rockers and race cam etc. The piston and cylinder included is 54mm. The size of the cylinder requires some machining of the cases. Let us know if you want us to do the work