Nice pair of gm Clamshell motor mount brackets 73-87 c10 20 30 will also fit 67-72 if u drill a couple holes sand they work great for ls swapping the early trucks. These fit suburban blazer gmc Jimmy 1500 2500 3500 high Sierra 2 wheel drive only and work for Sbc bbc or La conversion. Came from running driving truck but we always recommend changing the rubbers out.