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4 Inch Lift Kit w/ Radius Arm | Ram 2500 (2025) 4WD | Diesel

Brand: BDS Suspension
SKU: BDS2143FPE
Kit Component List

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$5,080.65
Subtotal: $5,080.65

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4 Inch Lift Kit w/ Radius Arm | Ram 2500 (2025) 4WD | Diesel

$5,080.65
https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/BDS2143H.jpg
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https://serenity-foxfactory.asset.akeneo.cloud/fox_asset_family/media/BDS2143PS.jpg

4 Inch Lift Kit w/ Radius Arm | Ram 2500 (2025) 4WD | Diesel

$5,080.65
Shock Option: FOX 2.5 Performance Elite
OVERVIEW  

Upgrade your stance and performance with the BDS 4" Radius Arm Suspension Lift Kit, engineered exclusively for 2025 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.

Features & Benefits

  • Heavy duty radius arms improve strength, handling, and caster control.
  • High strength progressive rate coil springs for a great ride on any terrain. Track bar relocation brackets to re-poisiton the axle.
  • Forged Drop Pitman arm to correct steering geometry.
  • Choose between BDS NX2 shocks, FOX 2.0, FOX 2.5 or FOX Performance Elite shocks.

Recommended Tires & Wheels

(Trimming may be required)

  • 35 x 12.5 with 17 x 9 and 4.5 in. Backspace
  • 35 x 12.5 with 20 x 9 and 4.5 in. Backspace
  • 37 x 12.5 with 20 x 9 and 5.625 in. Backspace

Shock Option

NX2 Nitro Series

  • Nitrogen-charged
  • Twin-tube design
  • 10-stage velocity-sensitive valving
  • Dual-welded ends for increased strength
  • 1-3/8-inch high-flow piston
  • Self-lubricating seals
  • Silver powder coat finish

FOX 2.0 Performance Series

  • 2-inch Impact extruded aluminum body
  • Internal floating piston (IFP) monotube design
  • CNC machined 6061-T6 aluminum mounting ends
  • Massive 5/8-inch hard chrome plated heat-treated alloy steel shaft
  • Race-developed high-flow piston design
  • Application-specific valving to maximize performance
  • Long-lasting clear anodized finish

FOX 2.5 Performance Elite Series

  • Increased off-road capabilities
  • Easily adjust your shock for terrain, load and speed
  • 2.5-inch Impact extruded aluminum body
  • Massive 7/8-inch hard chrome plated heat-treated alloy steel shaft
  • External reservoir design separates shock oil from the high-pressure nitrogen
  • DSC - Dual Speed Compression Adjuster comes standard
  • Fully serviceable for a lifetime of use
  • 1-year Manufacturer's Warranty

FOX 2.5 Performance Series HTO

  • Increased off-road capabilities
  • Easily adjust your shock for terrain, load and speed
  • 2.5-inch Impact extruded aluminum body
  • 5/8-inch hard chrome plated heat-treated alloy steel shaft
  • Hydraulic Top Out (HTO) technology offers usable position-sensitive rebound damping control on and off the pavement.
  • Fully serviceable for a lifetime of use
  • 1-year Manufacturer's Warranty
IMPORTANT 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.
INSTALLATION  
SPECIFICATION  
    FITMENT  
    REVIEWS