Zone Offroad D78N 4.5 Inch Radius Arm Lift Kit Ram 2500 Diesel 4WD Nitro Shocks

The Zone Offroad D78N is a complete 4.5-inch radius arm lift kit engineered specifically for 2019-2024 Ram 2500 4WD trucks equipped with diesel engines and 6-bolt transfer cases. This comprehensive suspension system provides everything needed to properly lift your truck while maintaining excellent on-road handling and improved off-road capability, with clearance for up to 37-inch tires.

Front Suspension Components:

• Progressive rate diesel-specific 4.5-inch front coil springs for smooth performance on any terrain
• Heavy-duty replacement radius arms constructed from 1/4-inch American-made steel, laser-cut and internally gusseted for superior strength
• Lower cam adjustment on radius arms to dial in proper front-end caster
• Forged drop pitman arm to correct steering angles
• HD track bar relocation bracket to correctly position the front axle
• Sway bar drop brackets to reposition the OE sway bar for optimal performance
• Extended polyurethane bump stops to limit up-travel
• Brake line relocation brackets to allow full suspension droop
• Heavy-duty replacement transmission crossmember and transfer case indexing ring to correct front driveline angles and maintain 4WD functionality

Rear Suspension Components:

• 2.5-inch heavy-duty coil spacers to level the stance
• Extended rear sway bar end links
• Rear bump stops to compensate for the lift
• Track bar bracket to recenter the rear axle

Shock Package:

• Zone Nitro Series shock absorbers with fully displaced valving for improved compression and extension travel
• 50 PSI nitrogen gas charge for split-second response and reduced aeration
• Fluon-banded piston for fade-free performance
• Vehicle-specific valving for stock-like control and performance

This system retains factory ride quality without affecting tow capacity while providing the aggressive stance and off-road capability you demand. Backed by Zone Offroad's Factory Protection Plus program, including a limited lifetime warranty, ESC system compatibility, and 5-year/100,000-mile drivetrain warranty coverage.