I gave a set from my 77 to my soninlaw with a 72 Blazer. He has them on there now. Only problem was on the passenger side the header came very close to the bolt on the shackle. (Very close). I would have turned the shackle bolt around if had beeen mine, for more clearence.
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67 stepside 4x4 Owensville MO
mudder67@hotmail.com