BDS 4 Inch Lift Kit w/ Radius Arm | Ford F250/F350 Super Duty (2011-2016) 4WD Gas | 4 Inch Block Kit | NX2 Nitro Series

Rear lift provided by a 4 Inch Block Kit — a high-strength fabricated lift block with u-bolt flip kit for maximum ground clearance. Equipped with NX2 Nitro Series shocks featuring a nitrogen-charged twin-tube design, 10-stage velocity-sensitive valving, dual-welded ends, 1-3/8-inch high-flow piston, self-lubricating seals, and silver powder coat finish.

Overview

This 4-inch radius arm lift kit from BDS Suspension is designed for 2011–2016 Ford F250 and F350 Super Duty gas-powered trucks. The kit improves stance, performance, and capability while providing clearance for up to 35-inch tires. Up front, the kit includes gas-specific Pro-Ride coil springs, heavy-duty replacement tubular radius arms, a forged drop pitman arm, track bar bracket for steering correction, sway bar relocation, brake line brackets, and precision-tuned nitrogen-charged shocks. The rear configuration is available with either a fabricated lift block with u-bolt flip kit or multi-leaf progressive rear leaf springs, along with brake line brackets and a matched set of shocks.

Features

• 100% bolt-on installation
• Pro-Ride dual-rate coil springs for smooth, predictable ride across various terrains
• Heavy-duty tubular steel radius arms correct caster while maximizing ground clearance
• Track bar relocation bracket and forged drop pitman arm maintain proper steering angles for improved handling
• Fabricated steel blocks provide a level stance from front to rear (block kit option)
• Multi-leaf progressive rear leaf springs maintain factory payload weight ratings and reduce axle wrap (leaf spring option)
• Standard NX2 Nitro shocks with vehicle-specific valving for better control
• Optional FOX 2.0 Performance Series shocks available for maximum on- and off-road performance
• Clearance for up to 35-inch tires

Specifications

• Lift Height: 4 inches
• Front lift: Gas-specific Pro-Ride coil springs
• Radius arms: High-strength tubular steel with OE-style rubber bushing at frame mount; caster adjustable
• Pitman arm: Forged drop design to minimize steering angle
• Track bar bracket: Heavy-duty drop bracket to maintain steering geometry through suspension travel
• Rear lift option 1: High-strength fabricated lift block with u-bolt flip kit for maximum ground clearance
• Rear lift option 2: Multi-leaf progressive leaf springs — cast iron, designed for correct pinion angles, maintains factory payload ratings
• Includes: sway bar relocation and brake line brackets front and rear
• Shock options: NX2 Nitro Series or FOX 2.0 Performance Series (see variant descriptions for details)

Installation

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

Important Notes

• Removal of factory block required. Net rear lift height will vary depending on the height of the factory block but will result in a level stance.
• Front exhaust modification may be required to clear the front drive shaft (gas only).
• If equipped with a 2-piece driveshaft, a driveshaft alignment kit may be required.
• Although extremely rare, front and/or rear driveline vibration may occur.
• If equipped with a rear sway bar, #123009 is required.
• U-bolts will not work on dually.