On a 1946 Chevrolet 216, what is the HEX BOLT SIZE/LENGTH of the SIX BOLTS that bolt both the exhaust manifold and intake manifold into the HEAD. Both SAE and METRIC information is appreciated. Planning on using Grade 8 or higher.

I already have the info on the two end studs.
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Last edited by Darling; 05/24/2022 11:21 AM.