I believe a favorite of many years ago was the Crower 271 https://www.summitracing.com/parts/cro-32242 .Yours may benefit from a slightly smaller profile or different lobe separation.Call Duane at Porter Racing Heads or pm him here for a recommendation addressing your specific needs/specs.
^
fast68plymouth

Last edited by gch; 08/01/20 06:41 PM.