BEL583 / 583 - Application Notes 92-96 C3500 Crew Cab - (4-5”, 8”) 1989 C3500 Extended Cab / Dually - (4-5”, 8”) 90-96 C2500 Extended Cab - 8-Lug - (4-5”, 8”) Notes: - Not designed for diesel applications. - It is highly recommended to use an AirJack - For trucks w/o O.E. front sway bar order adapter kit #5700. - 88-91 must use Alignment Kit #4950. - 88-89 rear axle saddle must be welded inplace.