C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Extension assemblies with internal ribs use Teflon(R) bushing, P/N 24207915. (Figure 2)
Extension assemblies without internal ribs use bronze bushing, P/N 6260048. (Figure 2)
Notice:
Failure to follow the above instructions may result in transmission damage.
Extension assemblies with internal ribs and Teflon(R) bushing will back service 2-piece case applications from 1996 to 1998.