I do recall that Centramatic balance rings were/are very vehicle specific. The ones for a 2500 Dodge would not work on a dually 3500. Makes sense, but I'd suggest a call to the manufacture to discuss your truck.

RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5