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4.5" 2019-2020 Dodge Ram 2500 w/Diesel Engine 4WD Radius Arm Lift Kit by Zone

As low as $1,479.99

Brand: Zone | SKU: D78N


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This Zone D78N 4.5 inch lift kit for the Ram 2500 features new internally gusseted radius arms, made from 1/4 inch steel with a lower cam adjustment bolt to dial in front end caster. These arms are desiged to correct front end geometry aned bolt to the factory mounts. Progressive rate front coil springs lift the front end for a smooth and controlled ride. A forged drop pitman arm to correct steering angles is included along with a HD bar drop bracket to recenter the front axle. Aso included are a pair of sway bar drop brackets to relocate the factory sway bar for optimal performance along with extended poly bump stops to limit up travel and brake line brackets to allow full droop. To Correct front end driveline angles a heavy duty replacement transmission crossmember is use and a transfer case indexing ring repositions the driveline output.

The rear end is lifted using heavy duty 2.5 inch coil spring spacers that levels the Ram 2500. Extended rear sway bar end links and new rear bump stops are included to compensate for the lift amount.  A rear track bar bracket is used to recenter the rear axle.

Choose between custom tuned Zone Nitro Series shocks or Fox Adventure Series shocks. Both models improve ride and performance.

  • Lifts Front End 4.5 inches / Rear 2.5 Inches
  • Allows for use of up to 37 inches
  • Heavy Duty 1/4 inch steel, internally gusseted radius arms
  • Progressive rate front coil springs for a great ride
  • Front and rear track bar relocation brackets
  • Forged drop pitman rm to correct steering angles
  • HD Transmission crossmember and t-case indexing raing to correct front driveline angles
  • Limited Lifetime Warranty
  • Average Install time: 7 to 8 hours

About BDS/Zone's Warranty

Important Notes
  • T-case indexing ring designed for vehicles with 6-bolt design only, will not fit trucks with 8-bolt
  • Will not fit rear air-ride equipped models
  • Will not fit Power Wagon models
  • Fits models with diesel engine only
Manufacturer Part NumberD78N
Item Numberzon_d78n_config
ModelRam 2500, 1/2 ton Ram
Year Spans2019,2020
Lift Height4 inch
Tire / Wheel Fitment
  • Tire Size: 37x12.5, Wheel Size: 17x9/18x9/20x9, Backspacing: 5.5 inch
  • Tire Size: 35x12.5, Wheel Size: 17x9/18x9/20x9, Backspacing: 4.5 inch


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