I need to know the width (backing plate) to same of a late 60's full size GM. My 50 Pontiac is about 54/55" width and I'm thinking of using one of these differentials for my build.
1951 Chevy Styleline -- Gasser
1966 Chevy Biscayne -- Sleeper
Eric - Regina, SK
The Projects:
1935 Chev 3 Window Std Coupe
1957 Chev 2dr
1967 Mustang Convertible
1969 Firebird 350HO Convertible
1969 Camaro X11-V8
1969 2+2 was a 396
1969 2+2 427
1980 Harley FXWG
1982 Chevy Silverado
1986 CJ7 Jeep
Agree , that's outside to outside
later...rog