Quote Originally Posted by 406Rich View Post
How large they gotta be Dave, 7/16 screw in studs with erson roller rockers, they are the MT valve covers only with Holley logo on them, some what vintage.
well they should fit m/t holleys moroso. the old wieands they round at top and may hit the JOMAR bars M/T.holleys .moroso are flat tops so if spring setup is going to be hi that you may need to use a spacers but you have a better chance with out any spacers with the holleys