Part Notes: 1500; 4WD; Crew Cab; 5.7 Ft Box; W/Air Suspension; W/O Off Road Group;1500; 4WD; Crew Cab; 6.4 Ft Box; W/Air Suspension; W/O Off Road Group; W/O Bilstein Shocks;1500; 4WD; Quad Cab; W/Air Suspension; W/O Off Road Group;1500; RWD; Crew Cab; 5.7 Ft Box; W/Air Suspension; W/O Bilstein Shocks;1500; RWD; Crew Cab; 6.4 Ft Box; W/Air Suspension; W/O Bilstein Shocks;1500; RWD; Quad Cab; W/Air Suspension; W/O Bilstein Shocks