Check the axle length, or rearend lenth.
It's been posted that there are different lengths.
Check with GMC Pauls or Mothertruckers for sure advice.
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1970 Chev CST
2003 Harley Fatboy
1975 Chevrolet Step Van
1956 Chev Bel Air
1977 Blazer 2WD For Sale $3000.00
1978 Blazer 2WD For Sale $7000.00
1978 Silverado
2005 Monte Carlo
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