merlin oval port the high velocity head for ... than stock required world #832015-8 merlin 269cc oval port heads are excellent for ... s own daily driver and cruiser engines because of their excellent low and mid- ... range torque output merlin oval port heads are great for towing ... far superior to oem closed chambers merlin ii 269cc oval port cast iron high ... 030040-1 030040-2 description bare merlin head merlin iron head merlin iron head ... max lift chamber 119cc .600 119cc .650 119cc 24 rev 2/07 cylinder heads ...
merlin iii rectangular accepts all chevy mk iv ... improved flow for high horsepower engines true d-shaped exhaust ports assure ... specifications when larger displacement engines 454 plus cubic inches require ... additional flow choose merlin rectangular port cylinder heads with ... intake ports are used successfully on merlin crate motors with up to 632 cubic ... 345cc rect 345cc rect 345cc rect 345cc merlin cast iron big block chevy rectangular ... port cylinder heads description bare merlin head merlin iron head merlin iron head ... merlin iron head bare merlin head merlin iron head merlin iron head merlin iron ... dual 275 seat max lift chamber 119cc .650 119cc .700 119cc .800 119cc 119cc . ... 650 119cc .700 119cc .800 119cc cylinder ...