2017-2022 Superduty 4WD 4" Coil Spring Lift Kit w/ Falcon Shocks (49-27420)

The ReadyLIFT 4-inch Coil Spring Lift Kit is a complete suspension system designed for heavy-duty trucks, providing 4 inches of front lift (or 3.5 inches for 2017-2019 models). This kit is engineered to deliver tough looks and a smooth, controlled ride, featuring front and rear Falcon 1.1 Monotube performance shocks. It's a bolt-on solution that utilizes specially engineered coil springs, a front track bar relocation bracket, and radius arm drop brackets to maintain proper suspension geometry and handling while allowing for larger tires.

Features

• Provides a 4-inch front coil spring lift (3.5 inches for early model years).
• Includes front and rear Falcon 1.1 Monotube performance shocks.
• Features a cast front track bar relocation bracket.
• Includes heavy-duty radius arm drop brackets.
• Comes with rear fabricated blocks with integrated bump stop tangs.
• Includes model-specific brake line extension brackets, bump-stop extension brackets, and front sway bar frame mount extension brackets.
• Bolt-on lift kit, requiring no structural modifications.

Notes

• 2017-2019 ride height may be slightly lower (3.5 inches lift).
• Tremor versions will not gain the full 4 inches over stock ride height.
• Single Cab configuration has not been validated for fitment and drivability.

Compatibility Notes

• Kits designed for diesel applications only (Power Stroke 4WD).
• Not recommended for 2WD or gas trucks.
• Works for trucks with rear single-wheel only.

Tire Fitment

• Allows for up to 37-inch tall tires on 9-inch wide wheels with 0 offset.
• Recommended tire size is 37x12.50.
• Recommended sizes include 18-inch (37X12.5R18), 20-inch (37X12.5R20), and 22-inch (325/60R22).

Specs

• Front Lift: 4.0 inches (maximum)
• Maximum Tire Diameter: 37 inches
• Shock Type: Falcon 1.1 Monotube Front and Rear Shocks
• Kit Contents: 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, and a Hardware Pack.