2013-2018 Cummins 6" BDS Lift Kit (BDS699H)
This system is for the all-new redesigned front suspension for the Ram heavy-duty trucks lifting it 6" over the factory height. The lift is designed around the relocation of the factory radius arm in order to correct suspension and steering geometry to work with the lift. The radius arms are relocated with a uniquely designed bracket that mixes the ease of installation you get with an adapter-type bracket with the strength and durability of a full replacement radius arm mount bracket.
Tire & Wheel Combinations:
- 37" x 13.50 w/ 17" x 9" and 5.625"
- 37" x 12.50" w/ 18" x 9" and 4.5
Notes:
- Kits come standard with a 6-Bolt indexing ring kit. If equipped with heavy-duty 8-bolt t-case order 122813 in place of 122623
- For rear leaf spring equipped models only.
- The carrier bearing drop (122405) is necessary for models equipped with a two-piece rear driveshaft.
- Some vehicles may require rear driveshaft spacer kit 122007 to maintain adequate rear driveshaft engagement
- Will not fit Cab and Chassis models
- Not for use with factory rear airbag suspensions
Installation:
- Click Here For Installation Instructions
- Difficulty: 3 (where 1 = easiest and 5 = complicated)
Part Number: BDS699H

6" Front Coil Springs
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6" Front Box Kit
This Box Kit includes the following products:
- Pitman Arm
- Trackbar bracket
- Fish Wire
- 1/2" Bolt Tab
- 1/4” Spacer Sleeve
- 2 Brakeline Relocation Brackets
- 2 5/16"-18 x 1" Type 23 self threading bolts
- Weld in Bung
- Long Machined Spacer Sleeve
- Driver & Passenger Side Radius Arm Drop Bracket
- Sway Bar Drop Bracket
- 1/2" Rivet nuts
- 2 Spacer Sleeves
- 2 Cable ties
- Thread Locker
- Brake Extension
- 2 Bump Stops
- Bolt Pack - Brake Line
- Rivet nut installation bolt pack
- Bolt Pack - Trackbar Bracket
- Bolt Pack - Rad Arm Drop Brackets
- Bolt Pack
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Ram trucks also have an optional Aisin heavy-duty 6 speed transmission available in the 3500 trucks that utilize a different transfer case mounting bolt pattern (8-bolt). The 8-bolt kit also includes an internal shaft seal extension and a new shaft seal.

6-Bolt Transfer-Case Indexing Ring
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8-Bolt Transfer-Case Indexing Ring
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4" Rear Block Kit - (4" Axle Tube)
Note:
- This selection removes the standard 5" rear block kit and replaces it with a 4" rear block kit.
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5" Rear Block Kit
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4.5" Lift Rear Leaf Spring (2x)
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Required if you have selected full leaf spring replacements