Air Lift 57272 LoadLifter 5000; Leaf Spring Leveling Kit Fits Silverado 1500 Features: LoadLifter 5000; Leaf Spring Leveling Kit; Rear; For Half-Ton Vehicles; No Drill; Installation Time 2 hrs. Or Less; Height: 11.250 Width: 14.500 Length: 9.500 Weight: 22 Vehicle Type: Air Lift Fitment: 2007/Chevrolet/Silverado 1500 Classic/WT Standard Cab Pickup 2-Door/5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated::Drive Type = 4WD, RearRequires 6 in. Between Tire And Frame~ Does Not Fit Quadrasteer^^2007/Chevrolet/Silverado 1500 Classic/WT Standard Cab Pickup 2-Door/5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated::Drive Type = 4WD, RearRequires 6 in. Between Tire And Frame~ Does Not Fit Quadrasteer^^2007/Chevrolet/Silverado 1500 Classic/WT Standard Cab Pickup 2-Door/4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated::Drive Type = 4WD, RearRequires 6 in. Between Tire And Frame~ Does Not ...