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  • BDS | 4 Inch Lift Kit w/ Radius Arm | Ram 2500 (2025–2027) 4WD | Diesel — BDS2143H
  • BDS | 4 Inch Lift Kit w/ Radius Arm | Ram 2500 (2025–2027) 4WD | Diesel — BDS2143FPE
  • BDS | 4 Inch Lift Kit w/ Radius Arm | Ram 2500 (2025–2027) 4WD | Diesel — BDS2143FS
  • BDS | 4 Inch Lift Kit w/ Radius Arm | Ram 2500 (2025–2027) 4WD | Diesel — BDS2143PS
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BDS SUSPENSION | 4" Lift Kit with Radius Arm Diesel | 25-27 Ram 2500 4WD | 2143FPE / 2143FS / 2143H / 2143PS

BDS SUSPENSION | 4" Lift Kit with Radius Arm Diesel | 25-27 Ram 2500 4WD | 2143FPE / 2143FS / 2143H / 2143PS

PART#: BDS2143H

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$2,693.04
$3,416.17 $2,693.04
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Description

Upgrade your stance and performance with the BDS 4" Radius Arm Suspension Lift Kit, engineered exclusively for 2025-2027 RAM 2500's with diesel engines. This kit lifts the front 4" and rear 2.5", giving your truck a leveled, aggressive look with enhanced off-road capability and on-road comfort.

Built for durability and precision, it features heavy-duty BDS Radius Arms, a forged pitman arm, and your choice of high-performance shocks—BDS NX2, Fox 2.0, Fox 2.5, or Fox Performance Elite with DSC. Designed for standard travel, this system doesn't require a transfer case indexing ring or crossmember, simplifying installation.

Tested in North America’s harshest conditions, this kit delivers the strength you need and the ride quality you want—whether on the job, on the trail, or on the road.

Backed by the BDS No Fine Print Warranty—if you break it, BDS will replace it. No questions asked.

HD Radius Arms

In place of the factory stamped steel radius arms BDS supplies a pair of high-strength tubular radius arms. These arms mount into the factory location and offer caster adjustment for a wide range of lift heights along with an OE-style rubber bushing at the frame mount for smooth, quiet, service-free operation.

Pro-Ride Coil Springs

A pair of full-length, diesel-specific, progressive rate Pro-Ride coil springs are supplied to provide the correct lift height and smooth, predictable ride across various terrains. Manufactured from high tensile steel, our direct OE replacement coil springs are engineered with properly sized wire diameter. This results in maximum reliability without premature coil bind.

FOX 2.5 Performance Elite — BDS2143FPE
  • Front Lift Method : Coil Spring
  • Front Lift Height : 4"
  • Rear Lift Method : Coil Spring
  • Rear Lift Height : 2.5"
  • Shocks Included : Yes
  • Lift Height : 4-5.5"
FOX 2.0 Performance Series — BDS2143FS
  • Front Lift Method : Coil Spring
  • Front Lift Height : 4"
  • Rear Lift Method : Coil Spring
  • Rear Lift Height : 2.5"
  • Shocks Included : Yes
  • Lift Height : 4-5.5"
NX2 Nitro Series — BDS2143H
  • Front Lift Method : Coil Spring
  • Front Lift Height : 4"
  • Rear Lift Method : Coil Spring
  • Rear Lift Height : 2.5"
  • Shocks Included : Yes
  • Lift Height : 4-5.5"
FOX 2.5 Performance Series HTO — BDS2143PS
  • Front Lift Method : Coil Spring
  • Front Lift Height : 4"
  • Rear Lift Method : Coil Spring
  • Rear Lift Height : 2.5"
  • Shocks Included : Yes
  • Lift Height : 4-5.5"

Supplemental Installation Documents

Estimated installation time: 4-5 hrs.

Installation difficulty: Moderate.

Special tools: 8677 Chrysler ball joint seperation tool (or Equiv).

Fitment Table

FOX 2.5 Performance Elite — BDS2143FPE

YearMakeModelTrimDriveFuel
2025–2026Ram2500Big Horn4WDDIESEL
2025–2026Ram2500Laramie4WDDIESEL
2025–2026Ram2500Limited4WDDIESEL
2025–2026Ram2500Limited Longhorn4WDDIESEL
2025–2026Ram2500Lone Star4WDDIESEL
2025–2026Ram2500Special ServiceNot specifiedDIESEL
2025–2027Ram2500Tradesman4WDDIESEL
2026Ram2500Black Express4WDDIESEL
2026Ram2500WarlockNot specifiedDIESEL

FOX 2.0 Performance Series — BDS2143FS

YearMakeModelTrimDriveFuel
2025–2026Ram2500Big Horn4WDDIESEL
2025–2026Ram2500Laramie4WDDIESEL
2025–2026Ram2500Limited4WDDIESEL
2025–2026Ram2500Limited Longhorn4WDDIESEL
2025–2026Ram2500Lone Star4WDDIESEL
2025–2026Ram2500Special ServiceNot specifiedDIESEL
2025–2027Ram2500Tradesman4WDDIESEL
2026Ram2500Black Express4WDDIESEL
2026Ram2500WarlockNot specifiedDIESEL

NX2 Nitro Series — BDS2143H

YearMakeModelTrimDriveFuel
2025–2026Ram2500Big Horn4WDDIESEL
2025–2026Ram2500Laramie4WDDIESEL
2025–2026Ram2500Limited4WDDIESEL
2025–2026Ram2500Limited Longhorn4WDDIESEL
2025–2026Ram2500Lone Star4WDDIESEL
2025–2026Ram2500Special ServiceNot specifiedDIESEL
2025–2027Ram2500Tradesman4WDDIESEL
2026Ram2500Black Express4WDDIESEL
2026Ram2500WarlockNot specifiedDIESEL

FOX 2.5 Performance Series HTO — BDS2143PS

YearMakeModelTrimDriveFuel
2025–2026Ram2500Big Horn4WDDIESEL
2025–2026Ram2500Laramie4WDDIESEL
2025–2026Ram2500Limited4WDDIESEL
2025–2026Ram2500Limited Longhorn4WDDIESEL
2025–2026Ram2500Lone Star4WDDIESEL
2025–2026Ram2500Special ServiceNot specifiedDIESEL
2025–2027Ram2500Tradesman4WDDIESEL
2026Ram2500Black Express4WDDIESEL
2026Ram2500WarlockNot specifiedDIESEL

Important fitment notes

  1. Diesel models only
  2. Will not fit air ride equipped models.
  3. If truck has rear pinion vibration it may be necessary to add BDS122406 to drop the bearing carrier.

Warranty

BDS warranty coverage is for the original retail purchaser with proof of purchase. BDS hard parts and bushings have lifetime replacement coverage; finish and normal wear are excluded.

BDS NX2 and BDS/FOX Performance Series shocks have limited lifetime coverage excluding normal wear and oil seals. At BDS’s discretion, qualifying leaking seals less than two years old may be considered for repair or replacement.

FOX proprietary shocks and coilovers follow FOX warranty terms rather than the BDS warranty. Qualifying leaking seals less than one year old may be considered; other FOX concerns follow the FOX service process.

Properly maintained ball joints and tie-rod ends less than three years old may qualify, subject to the manufacturer’s conditions.

Remedies are repair or replacement at BDS’s discretion. Eligible warranty ground shipping is covered; removal, installation, expedited freight and consequential costs are excluded.

Read the official BDS warranty and FOX service terms.

Shipping & Returns

Shipping & Refund Policy

Shipping:
We ship across Canada. Orders are processed within 1–2 business days. Delivery within Canada typically takes 3–10 business days depending on location and carrier. Tracking information will be provided once your order ships.

Refunds & Returns:
Returns are accepted within 30 days of delivery. Items must be unused and in original packaging. Please review our full return policy for more details.

Damaged or Incorrect Items:
If you receive a damaged or incorrect item, please contact us within 5 days of delivery. Call or text 416-624-1357 or email sales@Niagarajeeps.ca so we can resolve the issue quickly.

Videos & instructions

YOUTUBE VIDEO LINKDOWNLOADABLE INSTRUCTIONS