Upgrade your 2019–2022 Ram 2500 4WD Diesel with the Zone Offroad 4.5” Radius Arm Suspension Lift Kit. Designed to enhance ground clearance, suspension geometry, and wheel travel, this system allows fitment of up to 37” tires while delivering improved ride control and stability. Built for demanding diesel applications, this lift kit is ideal for towing, daily driving, or off-road use.
The kit includes progressive-rate diesel coil springs, heavy-duty 1/4" steel radius arms, front and rear track bar brackets, a forged drop pitman arm, sway bar correction, and driveline realignment components. Zone Offroad pairs this setup with Nitro Series shocks, offering a firm, controlled ride through nitrogen-charged twin-tube damping built for rugged terrain.
Features:
- Heavy-duty radius arms add strength, caster correction, ground clearance
- Progressive diesel coil springs smooth ride and improve terrain handling
- Track bar brackets re-center both axles for proper suspension geometry
- Forged drop pitman arm restores factory steering angles post-lift
- Nitro shocks provide controlled damping for on and off-road stability
- HD t-case indexing ring corrects driveline angles for 4WD function
- Rear coil spacers maintain factory towing and level ride stance
- Clears up to 37" tires for aggressive stance and added ground clearance
Specifications:
- Brand: Zone Offroad
- Front Lift Height: 4.5 inches
- Rear Lift Height: 2.5 inches
- Front Lift Method: Progressive Diesel Coil Springs
- Rear Lift Method: HD Coil Spacers
- Shock Type: Nitro Series Gas-Charged
- Radius Arms: 1/4" Laser-Cut, Internally Gusseted Steel
- Steering Correction: Forged Drop Pitman Arm
- Driveline Correction: T-Case Indexing Ring + HD Crossmember
- Drive Type: 4WD Diesel Models Only
- Max Tire Size: Up to 37" (trimming may be required)
Included:
- (2) Progressive-Rate Front Coil Springs
- (2) Rear Coil Spring Spacers
- (2) Heavy-Duty Radius Arms
- (2) Nitro Series Front Shocks
- (2) Nitro Series Rear Shocks
- (1) HD Transmission Crossmember
- (1) T-Case Indexing Ring
- (1) Front Track Bar Relocation Bracket
- (1) Rear Track Bar Relocation Bracket
- (1) Sway Bar Relocation Bracket Set
- (1) Brake Line Relocation Kit
- (1) Hardware Pack
Fitment:
- 2019–2022 Ram 2500 4WD 6.7L Cummins Diesel
Note:
- 3 Year Warranty
- Will NOT fit air-ride equipped models
- Diesel models only
- Does not fit Vehicles with a Manual Shift Transfer Case
- Trucks equipped with a 2-piece rear driveshaft require carrier bearing shim kit D5406 (not included with kit)