Air Lift 59570 Ride Control Kit Fits 15-20 F-150Suspension Load Leveling Kit Ride Control Kit Ride Control Kit; Adjustable From 5 To 100 PSI; 2000 lbs. Of Leveling Capacity; SPECIFICATIONS: 30L Dampers Included: No Control Arms Included: No Drilling Required: Yes Front Sway Bar Links Included: No Position: Rear WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: California: WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov FEATURES: Fully Adjustable; Level Vehicles When