2011-2016 Super Duty 4x4 Heavy Duty Full Progressive Leaf Spring Kit - 1" Lift (CS-FFSP-LVL-11-HD) baja designs and vans with plumbing 5"+

and vans with plumbing 5"+ behind the OEM tank

Air Lift has been an expert in air suspension products for more than 70 years

7-inch double-bellows air springs provide 20% more volume than standard kits for superior leveling at lower pressures

The Kryptonite Upper Shock Extension Brackets are engineered to maximize your suspension's down travel without the need for longer shocks

This ReadyLift 3" SST Lift Kit is loaded with features to get that modest lift without breaking the bank or compromising the factory suspension parts

2011-2016 Super Duty 4x4 Heavy Duty Full Progressive Leaf Spring Kit - 1" Lift (CS-FFSP-LVL-11-HD) baja designs and vans with plumbing 5"+Description These Heavy Duty Full Replacement Leaf Springs are designed for those with constant 1,000 lbs in the bed. They operate the same way as standard leaf springs when loaded. If the bed of your truck is empty, they are quite rigid. They provide 15" of increased wheel travel, 1" of rear lift, and deliver smoother suspension cycling over terrain without the use of lift blocks. These leafs feature a 9 leaf main and a 3 leaf overload for less