ReadyLift 3.5" SST Lift Kit for Ford F-250/F-350 Super Duty 2017–2022 4WD (SRW, One-Piece Drive Shaft)

• Gives a precise 3.5" lift with ReadyLIFT Smart Suspension Technology, enabling wheel-and-tire combinations up to 37" while preserving a smooth, OEM-style ride and everyday drivability.
• Complete kit contents include 4" OEM-equivalent rear blocks with integrated bump stop landings; 3.5" coil spring extensions with sound isolators; OEM-style panhard drop bracket; front bump stop extensions; radius arm drop brackets; and all required hardware—no cutting or drilling required.
• When paired with the maximum tire size, the F-250/F-350 body sits raised over 6" for a bold, capable stance that still respects factory geometry and handling.
• Important fitment notes: SRW-only (not compatible with Dual Rear Wheels); requires a one-piece drive shaft; not compatible with Tremor editions; lift blocks not designed for aftermarket air spring/load leveling kits (will void block warranty and can cause failure).
• Wheel/tire compatibility guidance includes stock 17x8 wheels with 6.5" backspacing and 37x12.5 tires; 20x9.5 rims with +25" backspacing; and 22x9.5 rims with +25" backspacing.
• Warranty and physical specs: lifetime warranty against manufacturing defects; packaged weight ~82 lbs with box dimensions of 28" x 20" x 18".