4" ReadyLIFT Suspension SST Lift Kit (Ford Bronco 2021-2023)

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*All other brand lift kits are available.

ITEM# RLF407

MFG# 69-21400

• The all-new SST Lift Kit tubular upper control arms feature optimum ball joint pivot angles as well as corrected ball joint placement to address caster/camber changes. Upper control arms also include the all-new aircraft-grade Aluminum sealed cap to keep debris out of the ball joint cup. ✔
• *NOT for use on Sasquatch Package-equipped vehicles, Badland, and Wildtrack equipped with Hoss 3.0 Fox shocks. NOT for use on Bronco Sport.✔

ReadyLIFT is excited to announce ReadyLIFT's highly anticipated 4" SST Lift Kits for the 2021-2023 Ford Bronco (69-21400 4" SST Lift Kit for standard suspension Bronco & 69-21300 3" SST Lift Kit for Sasquatch suspension equipped Bronco's). These kits feature an easy, 100% bolt-on installation process giving the 2021-2023 Ford Bronco an improved, aggressive stance by lifting the vehicle and increasing ground clearance to run larger tires. The kit offers a slight front-to-rear rake to allow for the addition of a larger spare tire and other accessories.

ReadyLIFT's 6061-T6 billet Aluminum front spacers are designed to achieve the maximum lift height while avoiding a ball joint or tie rod bind when the suspension articulates throughout the entire range of travel on and off-road. The addition of the high-strength 4130 alloy steel preload spacer aids in the packaging of the larger-diameter tires. The kits feature two front billet Aluminum strut spacers CNC-machined for a precise fit, two high-strength steel offset rear spacers powder coated to resist the elements, and a .250" steel heavy-duty rear track bar bracket to achieve proper suspension geometry when lifted.

The all-new SST Lift Kit tubular upper control arms feature optimum ball joint pivot angles as well as corrected ball joint placement to address caster/camber changes. Upper control arms also include the all-new aircraft-grade Aluminum sealed cap to keep debris out of the ball joint cup. This Bronco lift kit is an affordable suspension upgrade for Bronco enthusiasts seeking ReadyLIFT's renowned product quality and strength while packaging up to 37" tall tires.

Allows for up to 37x12.50 tall tires when used on 17"x8.5" wide wheels with a +18mm offset

*Max tire size with trimming 38"x12.50" on 17"x8.5" wide wheels with a +18mm offset*

Tire Size Note: ReadyLIFT wheel and tire fitment recommendations are typically based on Wheel Pros wheels and Nitto tires. Due to product differences among tire manufacturers, tire specifications and dimensions including, but limited to, overall diameter, rolling diameter, tread width, aspect ratio, lug pattern, sidewall construction and inflation pressure, will vary meaningfully by tire and wheel manufacturer. Every tire and wheel combination should be test fit prior to installation. Consult your local installer to learn more about the right tire fitment for your application.

Ride Quality Note: When lifting a vehicle and installing aftermarket wheels and tires, a tire manufacturer's construction and material quality can alter vehicle ride quality. When increasing a vehicle wheel and tire size, most larger aftermarket truck and SUV tires are 10-ply (or more) E tires compared to typical OEM 6-ply C tires. This more rigid sidewall construction increases the perception of suspension stiffness often described as ride harshness. The ride, handling, traction, noise, fuel economy, and wear differences between All-Season, All-Terrain, Mud-Terrain, or Trail-Terrain type tires can be significant. Please take into account tire and wheel choice will generally have a meaningful impact on the ride & handling experience.

Please read Instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended.

Estimated Installation Time: 4.5 Hours +/- 0.5 hours (excluding alignment and wheel/tire assembly)

View Instruction Sheet

· 2 front strut spacers
· 2 front preload spacers
· 1 left upper control arm
· 1 right upper control arm
· 2 rear strut spacers
· 1 rear track bar bracket
· rear brake line bracket
· Hardware pack

Local pickup welcome.

Some vehicles may require additional modifications or parts.

Guaranteed Fitment.

Questions Call us at (888) 814-1158