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I have 3 fasteners that were with the group from the removal of the engine and transmission. These were taken from a '71 Cutlass Supreme 350 CID / TH350. There's a 3/8-16 x 3/4" with Rockford on the head, along with a flat washer and nut. The second is 1/4-20 x 1/2" and finally a 1/4-20 x 1.25" with a small diameter hex head. This last bolt had gold over-spray on the head, so it was attached to or in close proximity to the block. Any help would be greatly appreciated!