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The experts at BDS Suspension designed this kit for the radius arm suspension on the 2013-2017 Dodge 3500 replaced thefactory radius arm setup for a 4-link system. The design starts with 2massive frame brackets that provide the mounting points for the newupper and lower control arms. These brackets locate off of the factoryradius arm brackets, no factory bracket removal required.
The new 4-Link brackets mount similar to the current radius arm relocation brackets, wrapping the frame and nesting in the factory radius arms mounts. There is a minor amount of welding required to install the threaded frame insert for the radius arm brackets. This insert is necessary to provide the strongest possible mount. The control arm positions at the frame create better suspension geometry and reduce caster change through wheel travel compared to the radius arm setup. Thus creating better handling and more controlled steering "feel", especially in rough terrain when the suspension is allowed to travel and articulate. The large diameter, heavy-wall tubular control arms are formed for tire clearance when turning and position the axle slightly forward from stock to create more clearance to the rear portion of the front fenders.
At 8" of lift, transmission/transfer case relocation is required to allow front driveshaft functionality. BDS includes a new laser cut transmission crossmember and adjustable transmission mounting plate to increase clearance front driveline clearance. The transfer case is repositioned by way of a supplied indexing ring kit to correct the operating angle and a billet aluminum driveshaft spacer is supplied to allow the use of the factory driveshafts. Indexing rings are available for both 6-bolt and 8-bolt transmission equipped trucks, confirm transmission before ordering.
In the rear is a leaf spring + 2" block combo or a 5" block with Add-A-Pack. The rear leafs are designed to optimize ride quality and maximize wheel travel with a triple-stage leaf spring. New rear u-bolts are supplied to convert the factory 14mm over to the larger 5/8" diameter u-bolts and your choice of BDS NX2 or Fox 2.0 performance gas shocks complete the rear of this truck.Tire and Wheel Combinations:
- 40" x 13.50 w/17" x 9" and 4.5" - 5.5"" back spacing
- Estimated Installation: 8-10 hours
- Difficulty Level (easy 1 - 5 complicated): 3
- Not for use with factory rear airbag suspensions
- Diesel Only
- Kits come standard with 6-Bolt indexing ring kit. If equipped with heavy-duty 8-bolt t-case order 122813 in place of 122623
- Carrier bearing drop kit will be required for 2-piece rear drive shaft #122405
- Some vehicles may require rear driveshaft spacer kit 122007 to maintain adequate rear driveshaft engagement
- ManufacturerBDS Suspension
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Will I have to get a longer driveline??
Some vehicles may require rear driveshaft spacer kit 122007 to maintain adequate rear driveshaft engagement. SA
Will this fit a dually??
As long as it is leaf spring in the rear yes. You will have to look at your transfer case and see if you need the 6 bolt or 8 bolt indexing ring.-Sands