At the heart of these new 6" systems is a heavy duty 4-link control arm conversion to upgrade the factory stamped steel radius arms for improved strength, handling, and caster control. This new setup is based off the tried and true 4-link setup from '05-16 Super Duty kits, now designed to key off the factory frame bracket (no need to remove factory bracket) along with tying into the frame rail and transmission crossmember for an extremely rigid control arm mount. The brackets are build from high strength 1/4" steel, come fully welded and finished in a durable textured black powdercoat with riveted BDS nameplates.  The upper and lower control arms are built from heavy wall 2" OD DOM steel tubing with massive 2-1/2" greaseable  frame mount bushings and reinforced clevis mounts to attach at the axle.

Pairing with this 4-link conversion are the precision tuned FOX 2.5 factory series remote reservoir coilovers. These coilovers offer vastly superior dampening for impressive capability to soak up the harshest terrains offroad while offering comfort on your daily commute. They feature a smooth bore and honed seamless alloy body, 7/8" hardened stainless steel shaft, FOX coil springs, black anodized machined 6061-T6 billet aluminum mounts and remote reservoir with optional DSC (dual speed compression) adjustment technology. The DSC adjustment allows for easy tuning of the vehicle’s suspension compression dampening to dial in the ideal ride performance to soak up the bumps, both large and small. The DSC has 12 adjustment points for the high-speed compression as well as 10 adjustment points for the low-speed compression allowing you to make large or small changes to further improve your performance for your particular needs. Adjustments can be made by simply twisting the "blue" high speed and "gold" low speed compression knobs located on the end of the remote reservoir of the FOX 2.5 coilovers. No tools or shop adjustments needed, allowing you to tune the suspension out on the trail. The coilovers come fully assembled, preset for 6" of lift right out of the box. Preload adjustments can be made using the #129600 spanner wrench available separately. The coilovers install into the factory coilover buckets easily using the supplied frame and axle mounting brackets and an auxiliary FOX 2.0 IFP performance gas shocks is supplied for the factory mounting location.

For steering correction a forged drop pitman arm and heavy duty track bar relocation bracket are supplied. This brings the drag link angle closer to factory and keeps the steering angles in line with the relocated track bar for improved drivability. Also supplied for the front are bump stop extensions to limit suspension compression, sway bar drop brackets to correct the sway bar positioning, and brake line relocation brackets to allow the use of the factory brake lines to speed up installation. In the rear of these 6" systems BDS offers multiple lift options for both the OE 2-leaf main spring pack and OE 3-leaf main spring pack  equipped trucks. The first option is a 6" replacement block and u-bolt kit for the 3-leaf trucks. The blocks are built from high strength, fully boxed steel with an integrated bump stop wing. Both the blocks and u-bolts are finished in a durable black e-coat finish. In addition to the block kit, the 2-leaf trucks receive an add-a-leaf to level the stance. The second option for the rear are full replacement BDS Glideride leaf springs to provide the lift needed to level the stance. These springs are a 4-leaf design with integrated overload leaf for extra load capacity. They come fully assembled with bushings installed for ease installation and a smooth ride on and off-road. Finishing off the rear of this kit are a pair of matching FOX 2.0 gas shocks to compliment the front.

The 2017 models use a new front driveline design that requires correction at 6" of lift and above to allow for use of 4WD at any speed. To do this BDS supplies a high strength transfer case indexing ring to rotate the front output of the transfer case down to improve the front driveline operating angle. The indexing ring uses ARP studs and includes new mounting hardware. Also supplied is a heavy duty replacement transmission crossmember to allow additional clearance. All of these components come together for the best 6" suspension package for the 2017 Super Duty with clearance for up to 38" tires. Take your 2017 Super Duty to the next level with BDS and FOX.