BEL518 / 518 - Application Notes 97-00 C3500 Single Rear Wheel - 8-Lug - (4”, 4”) 97-00 C2500 / C3500 Crew Cab - SRW 8-Lug - (4”, 4”) Notes: - Not designed for diesel applications. - For increased suspension travel use #6911 C-Section Frame Kit. - It is highly recommended to use an AirJack - For trucks w/o O.E. front sway bar order adapter kit #5700.