Switch Suspension GM C-30 Pickup 1973-1991 Rear Air Helper Kit speaker adapter Poor bag positioning leads to

Poor bag positioning leads to premature bag wear

and should only be performed by someone experienced with frame welding or by a shop that specializes in this kind of work

If you're looking for a proven

Includes video and power extension cable

American-made front end package engineered to correct geometry

Switch Suspension GM C-30 Pickup 1973-1991 Rear Air Helper Kit speaker adapter Poor bag positioning leads toThe Switch Suspension GM C 30 pickup (1973 1991) rear air helper kit is a popular addition for OBS air ride and bagged dually suspension builds on GMT400 trucks needing extra rear support. Browse our full OBS air ride suspension collection or shop all OBS parts.