Regular price $699.95 Save $-699.95

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Max Lift: 3.5"F/1.0"R - Maximum Tire Dia: 37".
For use on 2017-UP Super Duty 4WD with 1-piece drive shaft.

Includes radius arm drop brackets, track bar relocation bracket, front coil spring spacers and tapered 4" lift rear blocks.

ReadyLIFT Suspension has engineered a 3.5'' lift kit made to fit the 2017-2018 Ford F250/F350 SuperDuty 4WD trucks with a one-piece drive shaft. These new 3.5'' lift kits allow for wheel and tire combinations up to 37'' while keeping the smooth OEM ride and drivability. This is a complete lift kit includes 4'' OEM-equivalent rear blocks with integrated bump stop landings, 3.5'' coil spring extensions with sound isolators, an OEM-style panhard drop bracket, front bump stops OEM shock extension brackets, a pair of radius arm drop brackets, and all needed hardware. When used with the maximum size tires, the F250 truck body is raised over 6''. ReadyLIFT Smart Suspension Technology is used to make this kit very user-friendly to install, requiring no cutting or drilling. Like all other ReadyLIFT kits, the F250/F350 3.5" SST Lift Kit is guaranteed for life against manufacturing defects.

Popular wheel and tire sizes used for this vehicle include the stock rims (17x8, 6.5" backspacing) with 37x12.5 tires, 20x9.5 rims (+25" backspacing) with 37x12.5 tires, and 22x9.5 rims (+25 backspacing) with 37x12.5.

NOTE: For use with trucks with a one-piece drive shaft.

NOTE: Single Rear Wheel Trucks ONLY -- Not compatible with Dual Rear Wheels

NOTE: The lift blocks in this kit are not designed to work with aftermarket or factory add-on air spring/load leveling kits that attach to the bump stop tangs. Use of this type of air bag system will void all block warranties and can cause failure of the block bump stop tang.

Recommended tire size: 37" - 12.5"

Recommended wheel: 17" and up x 9" wide, +25 offset / 6" backspacing (minor trimming of the front valance may be necessary)

Kit Components: Two coil spring spacers with poly sound isolators

Two front shock extensions.

Radius arm drop brackets

Two front sway bar mount spacers.

One front track bar relocation bracket

Two OEM style cast rear lift blocks with longer u-bolts and hardware.

Two bump stop extensions.

Extended length front brake line brackets.