ReadyLIFT 4 Inch Coil Spring Lift Kit - 2017-2022 Ford F-250 F-350 Super Duty (49-27420)

This ReadyLIFT coil spring kit gives the 2017-2022 Ford F-250 and F-350 Super Duty a 4 inch lift and room for up to 37 inch tall tires. It pairs specially engineered coil springs with four Falcon 1.1 monotube shocks, and it bolts on with no structural modifications. ReadyLIFT lists it for 4WD Power Stroke diesel trucks.

Key features

• Specially engineered coil springs
• Four Falcon 1.1 gas-charged monotube shocks, front and rear
• Bolt-on install, no structural modifications
• Track bar relocation bracket and radius arm drop brackets
• Fabricated rear lift blocks
• Shock build: 2-1/8 inch body, 6061-T6 aluminum alloy billet piston, 1/2 inch induction-hardened chrome-plated shaft, progressive microcellular foam bump stops

What's included

• 4 inch lift springs
• Falcon 1.1 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
• ReadyLIFT lists it for 4WD Power Stroke diesel trucks with single rear wheels 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
• Tire fit: 37x12.50 on a 9 inch wide wheel with 0 offset. Recommendations are based on Wheel Pros wheels and Nitto tires, so test fit any combination before installing
• Larger 10-ply E-rated tires typically ride stiffer than OEM 6-ply C-rated tires

Specifications

• Brand: ReadyLIFT
• Part number: 49-27420
• Lift: 4 inch
• Max tire: 37x12.50 on a 9 inch wide wheel, 0 offset
• Shocks included: Yes (Falcon 1.1 monotube, front and rear)
• 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 installation by a certified mechanic.

SAE J2492: do not drive the vehicle unless you are familiar with its unique handling characteristics. 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.