FWIW Part # 3967475 1970/71 for solid lifter application 5/16 -18-24x1 55/64, 1969 should be the same.
These 4 studs came off a cast iron intake the size is 5/16 -18-24x1 11/16 and correspond to Part#3959570 1968/71 all v8 eng. & 1964/66 all with 283/250,275 or 350 hp 327 and 396.
Last edited by MarcDant; 12-16-2017 at 03:18 PM.
Reason: extra digit, add pic.
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