BDS 4 Inch Lift Kit w/ Radius Arm | Ford F350 Super Duty DRW 4WD Gas (2020-2022) | w/ FOX 2.5 Performance Elite Shocks

Configured with FOX 2.5 Performance Elite shocks. Features a 2.5-inch impact extruded aluminum body, external reservoir design that separates shock oil from high-pressure nitrogen, massive 7/8-inch hard chrome plated heat-treated alloy steel shaft, DSC (Dual Speed Compression Adjuster) standard, fully serviceable design, and increased off-road capabilities.

Overview

This 4-inch radius arm lift kit from BDS Suspension is designed to improve the stance, performance, and capability of the Ford F350 Dually Super Duty gas truck. The kit includes all components necessary to complete the lift and provides clearance for up to 37-inch tires. Up front, it features gas-specific Pro-Ride coil springs, heavy-duty replacement radius arms, a forged drop pitman arm, a track bar bracket for steering correction, sway bar relocation hardware, brake line brackets, and precision-tuned nitrogen-charged shocks. In the rear, the kit utilizes a high-strength fabricated lift block, longer U-bolts, brake line brackets, and a matching set of rear shocks.

Features

• Easy, 100% bolt-on installation
• Pro-Ride dual rate coil springs provide a smooth ride across various terrains
• Heavy-duty tubular steel radius arms correct caster while maximizing ground clearance
• Track bar relocation bracket and pitman arm maintain proper steering angles for improved handling
• Fabricated steel blocks provide a level stance from front to rear
• Shocks include vehicle-specific valving for better control
• Available with NX2 Nitro Series, FOX 2.0 Performance Series, or FOX 2.5 Performance Elite shocks

Component Details

• HD Radius Arms: High-strength tubular radius arms mount into the factory location and offer caster adjustment for a wide range of lift heights. An OE-style rubber bushing at the frame mount provides smooth, quiet, service-free operation, replacing the factory stamped steel arms.
• Pro-Ride Coil Springs: Full-length, gas-specific coil springs are supplied to provide the correct lift height and smooth, predictable ride across various terrains.
• Steering Correction: A forged drop pitman arm minimizes steering angle, paired with a heavy-duty track bar drop bracket to keep components in phase through suspension travel while recentering the front axle.

Specifications

• Lift Height: 4 inches
• Tire Clearance: Up to 37 inches
• Radius Arms: High-strength tubular steel with OE-style rubber frame bushing and caster adjustment
• Coil Springs: Full-length, gas-specific, Pro-Ride dual rate
• Rear Lift Method: Fabricated steel lift block with longer U-bolts
• Steering Correction: Forged drop pitman arm and heavy-duty track bar drop bracket
• Includes: Brake line brackets, sway bar relocation hardware

Installation

• Estimated Time: 6–8 hours
• Difficulty: Difficult
• Special Tools Required: Cut-off wheel or equivalent, pitman arm puller, torque wrench capable of 405 ft-lbs

Important Notes

• Removal of the factory leaf spring block is required. The net rear lift will vary depending on the height of the factory block but will result in a level stance.
• If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (BDS123402).
• Front exhaust modification may be required to clear the front drive shaft (Gas Only).
• Torque wrench capable of 405 ft-lbs required.
• 37 x 12.50 tires may require minor trimming.