SKU: 14139408809

2013-2018 Ram HD 5.5" 4-Link Conversion Kit with NX2 Nitro Shocks (BDS1780H)

Sale price$1098.45 Regular price$1220.50
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

2013-2018 Ram HD 5.5" 4-Link Conversion Kit with NX2 Nitro Shocks (BDS1780H)BDS 5. 5" lift with 4 Link conversion for the 2013 2018 Ram 3500 gas truck with clearance for up to 37" tires. Up front it includes gas specific Pro Ride coil springs, 4 Link control arms with conversion mounts, a forged drop pitman arm and track bar bracket for steering correction, bump stops, brake line brackets, and precision tuned NX2 or FOX 2. 0 nitrogen charged shocks. The 4 link converts the factory stamped steel radius arms over to high

BDS 5.5" lift with 4-Link conversion for the 2013-2018 Ram 3500 gas truck with clearance for up to 37" tires. Up front it includes gas-specific Pro-Ride coil springs, 4-Link control arms with conversion mounts, a forged drop pitman arm and track bar bracket for steering correction, bump stops, brake line brackets, and precision tuned NX2 or FOX 2.0 nitrogen charged shocks. The 4-link converts the factory stamped steel radius arms over to high-strength 1/4" steel brackets that mount HD upper and lower control arms to correct axle positioning while limiting caster change through wheel travel. In the rear it uses a high-strength fabricated lift block, longer u-bolts, and matching NX2 Nitro or FOX 2.0 Performance shocks.

Features
  • Heavy duty 4-link improves strength, handling and caster control
  • Front high strength progressive rate coil springs for a great ride on any terrain
  • Front track bar relocation bracket to re-position axle
  • Forged drop pitman arm to correct steering angles
  • Front sway bar correction to maintain handling performance
  • HD transmission crossmember and t-case indexing ring correct front driveline angles and allow use of factory driveshafts
  • Choice of BDS NX2 gas or FOX performance series Internal Floating Piston gas shocks
  • Cast iron blocks provide correct pinion angles
Specs
  • Front Lift Method: Coil Spring
  • Rear Lift Method: Block
  • Shocks Included: Yes
  • Front Lift Height: 5.5 inch
  • Rear Lift Height: 4 inch
  • 4 Inch Block: Tail low to level stance
Recommended Tire & Wheel Fitment
  • Tire Size: 35x12.5, 37x13.5
  • Wheel Diameter: 18x9, 17x9
  • Back Spacing: 4.5/5.625
Notes
  • 6.4L gas models will require exhaust modification to clear the front driveshaft. 5.7L gas models may require it as well. The vehicle can be driven without the front driveshaft to an exhaust shop before reinstalling the driveshaft.
  • The carrier bearing drop is necessary for models equipped with a two-piece rear drive shaft.
  • Some vehicles may require a rear driveshaft spacer kit 122007 to maintain adequate rear driveshaft engagement.
  • DRW models fit inner wheel clearance to the upper u-bolt plate on 5.5-6 inch kits.
Includes
  • BDS012403, 2013-2018 Ram 3500 4-Link Box Kit (2of2) (UPC 658848612345)
  • BDS012405, 03-up Dodge 3/4ton 4 Inch Rear (UPC 658848612352)
  • BDS012604, 2013-2018 Ram 3500 6 inch 4-Link Box Kit (1of2) (UPC 658848612703)
  • BDS032401, 2013-2018 Ram 3500 / 2014-2018 2500 Ram - Front Coils 4 inch Diesel - 5.5 inch Gas (UPC 658848616367)
  • BDS122616, Ram T-Case Index - Gas - 6 Bolt (UPC 658848619702)
  • BDS85752, Shock- 27.40 x 16.20 x 2-3/8 - S50/EB2 (UPC 711745609624)
  • BDS85761, Shock- 33.00 x 19.25 x 2-3/8 - EB1/EB1 (UPC 711745609709)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 14139408809

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Gisela Villena
Los Angeles, US
★★★★★ 5
Quality at a great price
Style: for Saros 10R / Saros 20 / Qrevo CurvX
I was happy with the items, they did work great and I saved money buying them. Highly recommended.
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Reviewed in the United States on May 19, 2026
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GARY JONES
Grantham, US
★★★★★ 5
They do what they are supposed to do
Style: for Saros 10R / Saros 20 / Qrevo CurvX
They fit the Saros 10R perfectly and do the job they are intended to do.
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Reviewed in the United States on April 9, 2026
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chris bingham
Louisville, US
★★★★★ 5
great deal on wear parts
Style: for Saros 10R / Saros 20 / Qrevo CurvX
perfect fit for my roborock saros 10r
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Reviewed in the United States on October 15, 2025
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Mac Wane
Birmingham, US
★★★★★ 5
Works and fits as advertised.
Style: for Saros 10R / Saros 20 / Qrevo CurvX
Arrived and functions as advertised.
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Reviewed in the United States on May 7, 2026
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Gail W.
Grantham, US
★★★★★ 5
Great product
Style: for Saros 10R / Saros 20 / Qrevo CurvX
I just love my Roborock and the accessories
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Reviewed in the United States on December 7, 2025

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