The ReadyLIFT Suspension 4" Coil Spring Lift Kit is designed for 2017-2022 Ford Super Duty F250/F350 4WD trucks and features Tubular Radius Arms. The 49-27421 kit comes complete with front and rear Falcon 1.1 Monotube series performance shocks, a front track bar relocation bracket, tubular radius arms, and rear fabricated blocks. This kit offers an excellent option for lifting your Super Duty truck to accommodate larger tires, providing increased tire sizes and widths and enhanced ground clearance for a standout appearance.

The newly designed Radius Arms are heavy-duty and built to handle the demanding use of Super Duty trucks. Formed inward for additional tire clearance, these arms surpass factory radius arms in durability and feature support gussets. The direct bolt-on design ensures a quick and easy installation process. With an optimal lift height of up to 37" tall tires, this coil spring kit enhances aesthetics and delivers an excellent ride and handling performance. Correcting suspension geometry on lifted models, this kit combines specially engineered coil springs, Falcon shocks, and track bar relocation. It provides more than just a lift – it's a performance and ride-enhancing solution. The ReadyLIFT 4" Coil Spring lift kit system includes model-specific brake line extension brackets, bump-stop extension brackets, and front sway bar frame mount extension brackets to maintain the factory sway bar position. The Super Duty 4" Coil Spring Suspension Kit System is a great choice for a rugged appearance and a smooth yet controlled ride.

Features and Benefits:

• Includes Falcon 1.1 mono tube performance shocks
• Allows use of up to 37-inch tires on 9" wide wheels with +18 offset
• New coil springs improve handling and allow for great articulation
• Heavy duty tubular radius arms correct caster and improve tire clearance
• Track bar bracket keeps the front axle centered
• Fabricated steel rear lift blocks replace the factory blocks
• 5 to 7hour estimated install time
• Limited Lifetime Warranty
• Backed by ReadyLift's free 5 year / 60,000 mile Powertrain Warranty