2023-2025 Superduty 4" Coil Spring Lift Kit w/ Falcon 1.1 Monotube Front Rear Shocks Radius Arms Dual Steering Stabilizer Front Track Bar Bracket (49-23421)

The ReadyLIFT 4-inch Coil Spring Lift Kit for 2023-2025 Ford Super Duty Diesel trucks is engineered to provide the "sweet spot" of lift height, maximizing tire size while maintaining everyday practicality. This system features heavy-duty tubular radius arms and specially tuned front coil springs that work in tandem with Falcon 1.1 performance shocks. The inclusion of a track bar relocation bracket and a dual steering stabilizer ensures your truck remains stable and controlled, even when equipped with aggressive 37-inch tires.

Features

• Heavy-duty tubular radius arms correct caster angle and are formed inward for maximum tire clearance.
• Falcon 1.1 Monotube series performance shocks provide superior damping and roll control.
• Includes a Falcon Dual Steering Stabilizer to reduce bump steer and improve handling stability.
• Front track bar relocation bracket keeps the axle centered for precise steering alignment.
• Specially engineered front coil springs provide improved ground clearance and a smooth, controlled ride.
• Includes sway bar drop brackets, bump stop extensions, and brake line brackets to maintain factory geometry.
• Durable fabricated steel rear lift blocks maintain a level stance and factory towing capacity.

Notes

• Single Cab configurations have not been validated for fitment or drivability.
• Trucks equipped with "Onboard Scales" require an additional Auto-Leveling Headlight Bracket (PN: 67-23610).
• Vehicle alignment, headlamp aim, and ADAS recalibration are necessary after installation.
• Estimated installation time is approximately 6.5 hours (excluding alignment).

Compatibility Notes

• Fits 2023–2025 Ford Super Duty F250 and F350 4WD Diesel trucks.
• Specifically designed for Single Rear Wheel (SRW) models.
• Not recommended for 2WD or gasoline-powered trucks.
• Tremor models will gain less than the full 4 inches over their factory height.

Tire Fitment

• Maximum Tire Diameter: 37 inches.
• Recommended Setup: 37x12.50 tires on a wheel at least 9 inches wide with a +25 offset (6" backspacing).
• Minor trimming of the front valance may be required for certain 37-inch tire combinations.

Specs

• Front Lift Height: 4 inches.
• Shock Type: Falcon 1.1 Monotube (Front and Rear).
• Radius Arm Type: Heavy-duty Tubular Steel.
• Kit Contents: 4" Front Springs, (4) Falcon 1.1 Shocks, Tubular Radius Arms, Dual Steering Stabilizer, Track Bar Relocation Bracket, Sway Bar Drops, Bump Stop Extensions, Carrier Bearing Drop, Brake Line Brackets, and Fabricated Rear Blocks.