Quote Originally Posted by jerry clayton View Post
you'll probably need that special bolt set for using 7/16 bolts thru them 1/2 holes
These adapter bushings:http://www.summitracing.com/parts/edl-9680/overview/ 289-302 head bolts are 7/16" most aftermarket SBF heads are drilled for 1/2" bolts used on 351W's.