I will use his Bolts that Fit the Application. We had our fighting match over Pontiac Bolts! I wanted a set that fit each Pontiac Block correctly. Told him I had samples I would send him. He did not listen and is probably a "Chevy Lover"! Now that would explain it! A.R.P had to kiss ass when it came to Edelbrock and TFS heads though or he would of been Shit outa Luck!