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I just thought people would like to see what goes into porting a Rb Head,
The Rb25/26 heads really struggle to make power on the standard ports!
this spec head with standard valves, is good for around a 1000bhp with this port sizing/spec.. (obviously depending on turbo specs and cams etc)









Pm me or andy for prices..
Regards Rich
The Rb25/26 heads really struggle to make power on the standard ports!
this spec head with standard valves, is good for around a 1000bhp with this port sizing/spec.. (obviously depending on turbo specs and cams etc)









Pm me or andy for prices..
Regards Rich