ReadyLIFT 4 Inch Coil Spring Lift Kit - 2017-2022 Ford F-250 F-350 Super Duty Diesel (63-27440)

This ReadyLIFT kit gives the 2017-2022 Ford F-250 and F-350 Super Duty Diesel a 4 inch coil spring lift with Falcon 2.1 monotube shocks front and rear. ReadyLIFT lists it for 4WD Power Stroke trucks with a single rear wheel and says it clears up to 37 inch tall tires on 9 inch wide wheels. It bolts on with no structural modifications, and the shocks are included.

Key features

• Falcon 2.1 monotube dampers on all four corners, with improved roll control and low-speed damping
• Rear 3-position adjustable Falcon 2.1 shocks tuned for daily, sport or work duty
• Radius arm drops for correct caster angle
• Track bar relocation bracket, sway bar drops, bump stop extensions and a carrier bearing drop
• Bolt-on install, no structural modifications

What's included

• 4 inch lift springs
• Falcon 2.1 monotube front and rear shocks
• Track bar relocation bracket
• Radius arm drops
• Sway bar drops
• Bump stop extensions
• Carrier bearing drop
• Front brake line brackets
• Fabricated rear lift blocks
• Hardware pack

Fitment and compatibility

• Fits 2017-2022 Ford F-250 and F-350 Super Duty Diesel
• ReadyLIFT lists it for 4WD Power Stroke trucks with a rear single wheel only
• Not recommended for 2WD or gas trucks
• Tremor versions will not gain the full 4 inches over stock ride height
• Single cab configurations are not validated
• The new auto headlight brackets only work with stock radius arms
• Tire recommendations are based on Wheel Pros wheels and Nitto tires; test fit any tire and wheel combination before installing
• Larger 10-ply E-rated tires can ride stiffer than OEM 6-ply C-rated tires

Specifications

• Brand: ReadyLIFT
• Part number: 63-27440
• Lift: 4 inch
• Max tire: up to 37 inch tall on 9 inch wide wheels
• Shocks included: Yes (Falcon 2.1)
• Estimated install time: 6.5 hours, plus or minus 1 hour

Installation

Allow about 6.5 hours, plus or minus 1, not counting alignment or wheel and tire assembly. ReadyLIFT recommends a certified mechanic. Plan on an alignment and check your headlamp aim afterward; trucks with driver-assist systems may need aiming or calibration with dealer tools.

Modifying your suspension changes handling and increases the risk of loss of control or rollover. ReadyLIFT advises using seat belts and reducing speeds. California Proposition 65: ReadyLIFT's page names DEHP.