Screw in studs for Rocker
I have a Pontiac 400 6.6 L (dated 77, block # 500577,y4 samped on front) in a 1980 firebird. I am trying to figure out what size screw in studs and nuts for the rockers I need. Did most of the engines from the late 70's use the same size? I am pretty sure the rockers are stock. Thanks.
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