BDS 4 Inch Lift Kit w/ Radius Arm | 2013-2018 Ram 3500 4WD Gas w/ Rear Air Ride | FOX 2.0 Performance Series Shocks

This kit is configured with FOX 2.0 Performance Series IFP nitrogen-charged shocks front and rear, delivering precision-tuned damping for improved ride quality and off-road performance.

Overview

This 4-inch radius arm lift kit from BDS Suspension is designed for 2013–2018 RAM 3500 gas-powered trucks equipped with factory rear air ride. The kit is engineered to improve stance, performance, and capability, providing clearance for up to 35-inch tires. Up front, the kit includes gas-specific Pro-Ride coil springs, heavy duty tubular radius arms, a forged drop pitman arm, a track bar bracket for steering correction, bump stops, and brake line brackets. In the rear, the kit uses a high-strength fabricated lift block, a heavy duty air bag spacer, and longer u-bolts. Precision-tuned nitrogen-charged shocks are included front and rear in your choice of NX2 Nitro or FOX 2.0 Performance Series.

Features

• Heavy duty tubular radius arms improve strength, handling, and caster control
• Gas-specific progressive rate Pro-Ride coil springs for a smooth, predictable ride across various terrains
• Front track bar relocation bracket to re-center the front axle
• Forged drop pitman arm to correct steering angles once lifted
• Front sway bar correction to maintain handling performance
• Choice of BDS NX2 Nitro Series or FOX 2.0 Performance Series IFP nitrogen-charged shocks front and rear
• High-strength fabricated rear lift block
• Heavy duty rear air bag spacer and longer u-bolts

Specifications

• Lift Height: 4 inches
• Vehicle Fitment: 2013–2018 RAM 3500 4WD Gas w/ Factory Rear Air Ride
• Tire Clearance: Up to 35 inches
• Radius Arms: High-strength tubular construction, factory mounting locations, caster adjustable, OE-style rubber frame bushing
• Coil Springs: Full-length, gas-specific, progressive rate Pro-Ride design
• Rear Lift: Fabricated lift block, heavy duty air bag spacer, extended u-bolts

Installation

• Estimated Time: 6–8 hours
• Difficulty: Moderate
• Special Tools Required: Drill / Bit Set, Pitman Arm Puller, Welding Equipment

Important Notes

• 6.4L gas models will require exhaust modification to clear the front driveshaft. 5.7L gas models may require exhaust modification as well. The vehicle can be driven without the front driveshaft to an exhaust shop for modifications to be made before reinstalling the driveshaft.
• The carrier bearing drop is necessary for models equipped with a two-piece rear drive shaft.
• Some vehicles may require rear driveshaft spacer kit 122007 to maintain adequate rear driveshaft engagement.