K166B | Superlift 4 Inch 4-Link  Suspension Lift Kit With Bilstein Shocks (2017-2022 F250, F350 Super Duty 4WD | Diesel)

This is a complete coil spring and 4-LINK suspension Lift Kit for the 2017-2021 Ford F-250/F-350 4WD – diesel engine
Includes 4-Link Arms, track bar bracket and related brackets, rear blocks, front and rear 5100 Series Bilstein shocks
This kit also comes in a King Shocks coilover and rear reservoir shock option (K166KG)

What does it include?
Front coil springs, 4-LINK arms, sway bar correction, track bar bracket, brake line brackets, steering stabilizer bracket, Superlift or Bilstein shocks or Fox Shocks, and all hardware needed for installation specific to the 2017-2021 4WD FORD F-250|F-350
Rear fabricated blocks with ubolts and Superlift shocks
Detailed instruction manual walking you step-by-step through the lift kit installation procedures suitable for do-it-yourselfers (DIY) or professional installation

This 4” Lift for the 2017-2021 Ford Super Duty F-250 | F-350 4WD features Superlift’s precision engineered, heavy-duty tubular 4-LINK arms designed to give your ride a truly custom look and easy install. These heavy-duty 4-LINK arms utilize a press-fit REFLEX bushing for superior vibration dampening, flexibility, and durability.

The 4-LINK design optimizes the F-250 and F-350’s suspension control and tire wear by limiting caster change through the cycle of suspension. The 4” lift also contains new, diesel specific rate front coil springs. A new track bar relocation bracket to ensure proper steering geometry and track bar phasing.

The rear lift is achieved with a new designed fabricated rear block that allows the removal of the stock block. This fabricated block also allows for proper pinion and axle angle all while reducing axle wrap. Complete your 4 inch Ford F-250 | F-350 with the best variety of shocks on the market. Shocks for this kit are available in the following: Superlift | Bilstein 5100 Series | Fox Performance Series 2.0 IFP Shocks | King Shocks (K166KG)

Features:
Replacement Front coil springs improve ride quality while rear blocks maintain load capacity
Replacement Heavy-Duty Tubular 4-LINK arms with Reflex bushings
Track bar relocation bracket prevents stud bind and steering wheel kick
Front and Rear – Superlift Shocks | Bilstein® 5100 Series Shocks | Fox® Performance Series 2.0 IFP Shocks | KING Shocks (K166KG)
Backed by our limited lifetime warranty

Benefits:
Retains OEM caster and camber alignment specifications
Maintains ride quality and handling characteristics
Designed using Original Equipment (OE) CAD data for accuracy.

NOTES:
Installation time: 6-7 hours
Difficulty level: 3 of 5

If equipped with a 2-piece rear drive shaft, a carrier bearing spacer is required. Part # 9649
If equipped with factory top mount overload leaf springs, longer u-bolts are required. Part # 11724