I have a set of just rebuilt trick flow R heads for sale. Not ported at all. New guides. Ready to be bolted on or sent out for porting. They have the dual. "N" exhaust bolt pattern. Huge ports as cast. As per trick flow...they flow 305/235@.700 lift. I can make a package deal with adaptor plates to bolt on any header and a set of probe rocker girdles for $1300.
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