2013-2018 Cummins 6" Rear Air Ride 4-Link BDS Lift Kit (BDS1648H)
BDS Suspension is now shipping suspension lifts and accessories for the rear air ride equipped RAM 3500 4WD trucks. These lift systems are designed to convert the factory radius arm over to a stronger 4-link design offering improved stability, handling, and articulation.
Tire & Wheel Combinations:
- 37x13.50 w/ 17x9/18x9/20x9 and 5.625"
- 37x12.50 w/ 17x9/18x9/20x9 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
- 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 The shocks used in these kits are different than a standard 3500, do not use a different shock length, or damage to the airbag will result.
- Can be used on SRW or DRW models, DRW models fit inner wheel clearance to the upper u-bolt plate on 5.5-6" kits
Installation:
- Click Here For Installation Instructions
- Difficulty: 3 (where 1 = easiest and 5 = complicated)
Part Number: BDS1648H
6" Front Coil Springs
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6" 4-Link Box Kit
This Box Kit includes the following products:
- Driver & Passenger Side 4-Link Brackets
- 2 Weld-In Bung
- 1 2 Machined Spacer Sleeve
- 1 Rivet Nut Installation Bolt Pack
- 2 1/2" Rivet nuts
- 2 1.00 x .120 x 3.25 Sleeve
- 2 1.250 x 0.312 x 0.875 Sleeve
- 2 5/16"-18 x 3/4" Type 23 Self Threading Bolt
- 2 1/16” Shim
- 2 1/8” Shim
- Pitman Arm
- 4/6" Track Bar Bracket
- 2 Track Bar Cam Washers
- Fish Wire
- 1/2" Bolt Tab
- 1/4” Spacer
- 2 Sway Bar Drops
- 2 Bump Stops
- 2 BDS Badges
- 2 Rivet Bolt Packs
- Bolt Pack
- Bolt Pack - 4 Link Brackets
- Bolt Pack - Sway Bar Drop
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4-Link Box Kit
This Box Kit includes the following products:
- Upper & Lower Control Arm 4-Link Conversion
- Straight Grease Zerk
- 2 1.00 x .120 x 3.25 Sleeve
- 4 Bushings (Large - Lower Control Arm)
- 4 Bushings (Small - Upper Control Arm)
- 2 .875 x .156 x 2.62 Sleeve
- 2 90 Degree Grease Zerk
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Air Suspension 6" Rear Lift Components
This Box Kit includes the following products:
- 2 3” Rear Blocks
- 2 3" Air Bag Spacers
- 4 5/8” x 4” x 14” Round U-bolts
- 8 5/8” Fine High Nuts
- 8 5/8” SAE Flat Washers
- 2 Press In Pins
- 3 Air Tank Spacers
- 2 Bolt Pack - Air Bag Spacers
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8-Bolt Transfer Case Indexing Kit for the 2013+ Ram 3500. Ram has 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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NX2 Series Shocks (2x)
The BDS NX2 series gas shocks offer impressive performance on and off-road. Standard in most BDS lift kits, these nitrogen-charged, twin-tube shocks offer 10-stage velocity-sensitive valving for lightning-fast damper performance and control.
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