ReadyLIFT 4 Inch Falcon MAX3.3 Coil Spring Lift Kit - 2017-2022 Ford F-250 F-350 Super Duty (43-27440)

This ReadyLIFT Falcon MAX3.3 coil spring kit gives the 2017-2022 Ford F-250 and F-350 Super Duty a 4 inch lift and room for tires up to 37 inches tall. It is a bolt-on kit with no structural modifications, and it includes Falcon 3.3 monotube shocks at all four corners, tubular radius arms and a dual steering stabilizer. It is for 4WD single rear wheel diesel trucks.

Key features

• 4 inch coil spring lift paired with vehicle-specific Falcon shocks
• Falcon 3.3 monotube dampers with a Fast Adjust knob (Soft, Custom, Firm) and an 8-position Micro Adjust dial
• Hard-anodized, large-bore 6061-T6 aluminum shock bodies and a VOD digressive piston
• Tubular radius arms that help correct caster angle
• Falcon dual steering stabilizer
• Bolt-on installation with no structural modifications

What's included

• 4 inch lift springs
• Falcon 3.3 monotube front and rear shocks
• Track bar relocation bracket
• Radius arm
• Dual steering stabilizer
• 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 4WD diesel trucks with single rear wheels
• Not recommended for 2WD or gas trucks
• Tremor versions will not gain the full 4 inches over stock ride height
• Single Cab has not been validated by ReadyLIFT
• Recommended tire: 37x12.50 on a 17 inch or larger, 9 inch wide wheel. Minor front valance trimming may be necessary
• Tire recommendations are based on Wheel Pros wheels and Nitto tires. Test fit any tire and wheel combination before installing

Specifications

• Brand: ReadyLIFT
• Part number: 43-27440
• Lift: 4 inch
• Max tire: up to 37 inch tall
• Shock body: 6061-T6 aluminum, hard anodized
• Shocks included: Yes, Falcon 3.3 front and rear
• Hardware included: Yes
• 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 labels it do-it-yourself but recommends a certified mechanic. An alignment, a headlamp aim check and ADAS recalibration may be needed, possibly at extra cost.

Modifying your suspension can change handling and rollover risk (SAE J2492). Always wear your seat belt. Prop 65 notice: this product can expose you to DEHP, a chemical California lists under Proposition 65.