I plan to take out two head bolts on a 261 and use 2 slightly longer grade 8 bolts to attach my engine leveler to the head. Problem is I only have my 216 bolts as a guide for buying the longer bolts. Are the 235/261 head bolts the same size as 216?


1951 GMC 9430 long box w/ hoist
1952 GMC 9430 long box w/ hoist (sold)