Pro Comp K4184B Stage I, 8 Inch Lift Kit with ES9000 Shocks Fits 2011 Ford 6.7L Powerstroke Stage I, 8 Inch Lift Kit with ES9000 Shocks Part Number: K4184B Lift Height: 8 Inches Front Lift: Coil Springs and Spacers Steering Correction: Pitman Arm Rear Lift: Lift Blocks, U-Bolts & Add-A-Leaf Includes: Radius Arm Drop Brackets, Front Track Bar Bracket, Sway Bar Links and all related hardware Shocks: Front & Rear, ES9000 Shocks Shock Boots: Not Included Max Tire Size (Inches): 38.5 X 14.50 Wheel Size Range (Inches): 16 + Wheel Width Range (Inches) :8 to 10 Min-Max Backspace (Inches): 4 to 5.75 Pro Comp's Suspension Systems for the 2011 & Up Super Duty F-250 feature laser cut brackets and a drop pitman arm to maintain proper suspension and steering geometry. Specific rate coil springs increase ride height and give your truck an aggressive look as well as improve ride quality. Stage II Systems include replacement radius arms constructed from 4130 chromoly tubing and 3/16" thick steel plate for added performance above and beyond factory ride quality. Available with several different shock options to fit your off-road, on-road needs.