2003 to 2008 Dodge Ram 2500 and 3500 4WD 4.5 Inch Performance System w/Dirt Logic Shocks Part Number: FABK3006DB Fits 2003 to 2008 Dodge Ram 2500 and 3500 4WD Lift Height: 4.5 inches Front Lift: Upper and lower links arms & Coil springs Rear Lift: Lift Blocks w/ U-bolts Includes: Track bar bracket, bump stops, link arm bushings and more Steering Correction: Pitman Arm Shocks: Front & Rear Dirt Logic Monotube Shocks Shock Boots: Not Included Component color: Black Max Tire Size (Inches): 325/65R18 Max Wheel Size (inches): 18x9.5 Backspace: 4.625 This 4.5 inch Performance System for the Dodge Ram includes Fabtech's replacement front coil springs providing increased ride height and large 1 3/4" diameter upper and lower control links replace stock units for proper caster and increased strength. Also included is a Pitman Arm, Trac bar bracket, Bump Stops, and a rear block and u-bolt kit. This kit will clear up to 325/65R18 tires w/ 18x9.5 wheels w/ 4 5/8” backspace. Non dually models only.