It depends on what year truck you have. For early trucks; 36-46 or so, a 4wd S10/Blazer rear end is the correct stock width. Later models are wider.


1939 GMC AC-102 Long Bed 1/2-Ton
In the Legacy Stovebolt Gallery
More details in his DITY Bay

1940 Chevy WB Series 1.5-Ton
In the Stovebolt Gallery