I got my dana out of a 72 Ford 3/4 ton truck. There either 3 inch or 3 1/8
A older ford 4x4 will have a dana

1970 barracuda convert. 1 of 59
1970 pro street A.A.R. clone (panther pink)
1971 charger
2015 hellcat challenger. Redline red
2014 quad cab 4x4 ram 8 speed hemi