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*randy500* · 08-18-2017, 10:48 AM

None of those bolts are correct. Big block has a washer head and rolled threads. The one on the right is correct for our years. One on the left is big block for later years I think.

08-18-2017, 10:48 AM	#6
randy500 Account Suspended Join Date: Jul 2016 Location: Tacoma, WA Posts: 6,873	Re: Questions about exhaust manifold bolts and oil dipstick tube None of those bolts are correct. Big block has a washer head and rolled threads. The one on the right is correct for our years. One on the left is big block for later years I think. Attached Images