ReadyLIFT 4 Inch Coil Spring Lift Kit - 2017-2022 Ford F-250 F-350 Super Duty Diesel (49-27422)

This ReadyLIFT kit gives the 2017-2022 Ford F-250 and F-350 Super Duty Diesel a 4 inch coil spring lift with four Falcon 2.1 monotube shocks. ReadyLIFT lists it for 4WD Power Stroke trucks with single rear wheels and says it allows up to 37 inch tall tires on 9 inch wide wheels with 0 offset. It bolts on with no structural modifications, and the shocks are included. It uses radius arm drops, not new radius arms.

Key features

• Specially engineered coil springs with Falcon 2.1 monotube shocks on all four corners
• Falcon 2.1 shocks tuned for on-road stability
• Front track bar relocation bracket
• Model-specific brake line extension brackets, bump stop extension brackets and front sway bar frame mount extension brackets
• Progressive microcellular foam bump stops
• Shock build: 2.3 inch body, 6061-T6 aluminum alloy billet piston, 3/4 inch induction-hardened chrome-plated shaft

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 diesel trucks, single rear wheel only
• Not recommended for 2WD or gas trucks
• Tremor versions will not gain the full 4 inches over stock ride height
• 2017-2019 trucks: ride height may be slightly lower
• Single cab has not been validated for fitment and drivability by ReadyLIFT
• This version does not include tubular radius arms (see 49-27423 for the radius arm version)
• Tire fit examples: 37x12.5R18 on 18 inch wheels, 37x12.5R20 on 20 inch wheels, 325/60R22 on 22 inch wheels. Recommendations are based on Wheel Pros wheels and Nitto tires, so test fit any combination before installing

Specifications

• Brand: ReadyLIFT
• Part number: 49-27422
• Lift: 4 inch
• Max tire: up to 37 inch tall on 9 inch wide wheels, 0 offset
• Shocks included: Yes (four Falcon 2.1 monotube)
• Estimated install time: 4.5 hours, plus or minus 0.5 hour

Installation

Allow about 4.5 hours, plus or minus 0.5, not counting alignment or wheel and tire assembly. ReadyLIFT labels it do-it-yourself but recommends a certified mechanic.

Modifying your suspension can change handling and increase rollover or loss-of-control risk in sharp turns or abrupt maneuvers, and some modifications may not be permitted in some states. Always wear your seat belt. California Proposition 65: this product can expose you to chemicals including DEHP, which California lists as causing cancer and birth defects or other reproductive harm.