I have a 468 Roller motor (MARK IV) & need help deciding if Aluminum heads r worth the investment..
Comp Cams #11-456-8 .566 lift , 242 int & 248exh @ .050, 112 degrees lobe seperarion
OEM heads fully remanned with Roller Rockers to boot , ported/not polished
"hyper" pistons, Moly rings...