ReadyLIFT 4 Inch Coil Spring Lift Kit - 2023-2026 Ford F-250 F-350 Super Duty Diesel (49-23420)

This ReadyLIFT kit is a 4 inch coil spring lift for 2023-2026 Ford F-250 and F-350 Super Duty Power Stroke diesel 4WD trucks with single rear wheels, with four Falcon 1.1 monotube shocks. Radius arm drops correct the caster angle, and it is a bolt-on install with no structural modifications. It is designed for up to 37 inch tall tires.

Key features

• 4 inch lift with specially engineered coil springs and fabricated rear lift blocks
• Falcon 1.1 monotube shocks front and rear, with a 2-1/8 inch body, 6061-T6 aluminum billet piston and 1/2 inch induction hardened, chrome plated shaft
• Radius arm drops for correct caster angle
• Track bar relocation bracket
• Bolt-on, no structural modifications

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 2023-2026 Ford F-250 and F-350 Super Duty Power Stroke diesel 4WD, single rear wheel only
• Not recommended for 2WD or gas trucks
• Tremor versions will not gain the full 4 inch over stock ride height
• Single cab configuration has not been validated for fitment and drivability by ReadyLIFT
• Trucks with the Onboard Scale option require the 67-23410 Auto-Leveling Headlight Bracket Kit; the new headlight brackets work with stock radius arms only
• Test fit every tire and wheel combination; guidance is based on Wheel Pros wheels and Nitto tires

Specifications

• Brand: ReadyLIFT
• Part number: 49-23420
• Lift: 4 inch
• Max tire: 37 inch tall
• Shocks included: Yes, front and rear Falcon 1.1
• Hardware included: Yes
• Brake lines included: No
• Estimated install time: 6 hours, plus or minus 1 hour

Installation

Allow about 6 hours, plus or minus 1, not counting alignment or wheel and tire assembly. ReadyLIFT recommends a certified mechanic. Alignment may be required afterward, headlamps must be checked and adjusted, and driver-assist systems may need recalibration, sometimes with dealer tools.

Modifying your suspension can change handling and rollover risk (SAE J2492). Always wear your seat belt.