GM 8.25",IFS, 3.42 & Up

GM 8.5"

AAM 9.25"

GM 7.625", 3.23-4.56 & Down, 1 Large & 1 Small Window

GM 9.25", 2011 & Up

GM  7.2", IFS, 3.28 & Up

GM  7.2" IFS  3.08 & Down

GM 9.5" & 9.25"

AAM 11.5"

GM 8.25", IFS, 3.42 & Up

GM 10.5", 14 Bolt, 14T, 4.56 & Up

Dana S135/S150 Flange Half 3.38-3.73 Gear ratios Nitro Standard Open Carrier Case

NC-GM12T Nitro Standard Open Carrier Case

GM 9.5" & 9.76", 12 Bolt, 2014 & Up, 3.23 & Down

GM 9.5" & 9.76", 12 Bolt, 2014 & Up, 3.42 & Up

Dana S135, 4.78-5.38 Gear ratios

GM 10.5", 14 Bolt, 14T, 4.10 & Down, 4.1" Deck Height