Transform the stance and performance of your 2013–2018 Ram 3500 Gas 4WD with the Zone Offroad 4" Radius Arm Suspension Lift Kit. Built to deliver the perfect balance of on-road comfort and off-road capability, this system provides the clearance needed for up to 37" tires while improving handling, driveline geometry, and suspension articulation.
This complete kit includes progressive-rate coil springs, heavy-duty radius arms, steering correction components, FOX 2.0 Adventure Series shocks, and a 2" rear lift block system for a leveled stance. Engineered to maintain factory-like ride quality while increasing off-road durability — this upgrade ensures your truck performs as good as it looks.
Features:
- Progressive-rate front coil springs improve ride comfort and suspension travel
- HD radius arms correct caster angle and boost ground clearance and strength
- Drop pitman arm corrects steering angles for safe, controlled handling
- Track bar bracket repositions axle to maintain proper alignment at lift height
- FOX 2.0 IFP shocks enhance stability and performance on- and off-road terrain
- Extended bump stops and sway bar relocation retain proper operating angles
- Rear lift block system levels stance and maintains hauling capability
- Clearance for 35-37" tires for aggressive appearance and off-road function
Specifications:
- Brand: Zone Offroad
- Front Lift Height: 4.0 inches
- Rear Lift Height: 2.0 inches (block kit)
- Shock Type: FOX 2.0 Adventure Series IFP Monotube
- Max Tire Size: Up to 37 x 12.50 (trimming may be required)
- Drivetrain: 4WD only
- Fuel Type: Gas (5.7L & 6.4L HEMI)
- Front Suspension Type: Coil spring w/ radius arms
- Rear Suspension Type: Leaf spring w/ lift block kit
Included:
- (2) Front Progressive-Rate Coil Springs – Steel
- (2) Front FOX 2.0 Adventure Series IFP Shocks
- (2) Rear FOX 2.0 Adventure Series IFP Shocks
- (1) HD Radius Arm Drop Bracket Set – Steel
- (1) Track Bar Relocation Bracket – Steel
- (1) Forged Drop Pitman Arm
- (2) 2" Rear Lift Block
- (4) U-Bolt Kit
- (1) Sway Bar Relocation Hardware Kit
- (1) Hardware Kit
Fitment:
- 2013–2018 Ram 3500 4WD 5.7L/6.4L Gas Engines Only
Note:
- 3 Year Warranty
- Professional alignment required after installation
- Not compatible with factory rear air-ride suspension
- Optional T-case indexing: 6-bolt = D5623 / 8-bolt = D5813
- May require exhaust modification for 6.4L HEMI interference
- Optional carrier bearing drop recommended for 2-piece driveshafts