Product updated on 2020-02-09, Air lift - AIR:59104, SlamAir Kit Adjustable Air Springs for Lowered Trucks (Lowered 2-4 inches), Use This Kit If Top Of Leaf To Bottom Of Frame Is Less Than 8.5 inches SlamAir Adjustable Air Springs for Lowered Trucks (Lowered 2-4 inches), 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