Manufactured by Air lift | 59202 | 1988-00 GM C/K Trucks SlamAir Kit Adjustable Air Springs for Lowered Trucks, SlamAir Adjustable Air Springs for Lowered Trucks (Lowered 5-6 inches). Application Type: Rear Kit, SlamAir fits most lowered trucks with a 2, 4, or 6 inch drop, including trucks with flipped axles and notched frames. Each kit includes everything you need to install the system, and our end caps are made of an ultra high-strength nylon composite which is Product information updated on 2023-08-21