Thread: 454 in a 63' GMC SWB
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Old 02-12-2018, 08:28 AM   #3
shortstep60
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Join Date: Nov 2013
Location: Mayetta, Kansas
Posts: 439
Re: 454 in a 63' GMC SWB
You will need motor mounts from a 1968-1971 big block. If you want new motor mounts Jegs sales them good look
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