Member
CFM @ Lift
63 .100
121 .200
165 .300
198 .400
226 .500
242 .600
63 .100
121 .200
165 .300
198 .400
226 .500
242 .600
Trash them, non adjustable rocker arms kill any real use which would require high flowing heads. The heads arent even vortec by SBC standards since any short deck intake will fit them even one from 1966.


