Re: 71-72 gmc chev front rear diffs
Like Turp said front is a direct bolt in. Rear perches on 73 and up 1/2 ton are 42.5" on center and you need them to be 40.5" on center. If you use a 1 ton or 14 bolt 73 & up i believe the perches will be 40.5" but you will have to relocate shock mounts.
|