BDS 6 Inch Lift Kit w/ Radius Arms | Ram 3500 4WD Diesel (2013-2018) | 4.5 Inch Leaf Springs | 6-Bolt | FOX 2.5 Performance Elite

Rear lift provided by 4.5 Inch Leaf Springs — steel construction, multi-leaf progressive design for a smooth ride, maintains factory payload weight ratings, correct pinion angles, eliminates need for a lift block, reduces axle wrap. Transfer case indexing ring uses a 6-Bolt pattern (standard). Shocks: FOX 2.5 Performance Elite — 2.5-inch impact extruded aluminum body, 5/8-inch hard chrome plated heat-treated alloy steel shaft, Hydraulic Top Out (HTO) technology, external reservoir design, fully serviceable. 1-year Manufacturer's Warranty.

Overview

This 6-inch lift kit with radius arms is engineered by BDS Suspension for 2013–2018 Ram 3500 diesel-powered 4WD trucks. The kit is designed to improve stance, performance, and capability while providing clearance for up to 37-inch tires. Up front, the kit includes diesel-specific Pro-Ride coil springs, heavy duty tubular radius arms, a forged drop pitman arm, a track bar bracket for steering correction, bump stops, brake line brackets, and precision-tuned shocks. In the rear, the kit utilizes a high-strength fabricated lift block or leaf springs (depending on configuration), longer u-bolts, and a matching set of shocks.

Features

• Heavy duty tubular radius arms improve strength, handling, and caster control
• Front high-strength progressive rate Pro-Ride coil springs, diesel-specific, for a consistent ride across terrain
• Front track bar relocation bracket to re-position axle
• Forged drop pitman arm to correct steering angles
• Front sway bar correction to maintain handling performance
• HD transmission crossmember and transfer case indexing ring to correct front driveline angles and allow use of factory driveshafts
• Tubular radius arms mount into the factory location with OE-style rubber bushing at the frame mount for smooth, quiet, service-free operation
• Caster adjustment accommodates a wide range of lift heights
• Choice of NX2 Nitro Series, FOX 2.0 Performance Series, FOX 2.5 Performance Series HTO, or FOX 2.5 Performance Elite shocks
• Rear lift options include block kit or leaf spring configurations
• Indexing ring available in 6-bolt (standard) or 8-bolt (Aisin transmission) patterns

Specifications

• Lift height: 6 inches
• Tire clearance: up to 37 inches
• Radius arms: high-strength tubular steel construction
• Pro-Ride coil springs: full-length, progressive rate, diesel-specific
• Rear lift options: 4-inch block kit, 5-inch block kit, or 4.5-inch leaf springs
• Transfer case indexing ring: 6-bolt standard or 8-bolt (Aisin heavy-duty 6-speed transmission)
• 8-bolt kit includes internal shaft seal extension and new shaft seal
• Rear leaf springs: steel, multi-leaf progressive design, maintains factory payload weight ratings

Installation

• Estimated Time: 6–8 hours
• Difficulty: Moderate
• Tools Required: 8677 Chrysler ball joint separation tool (or equivalent), step drill bit, cut-off tool, drill/bit set, pitman arm puller, welding equipment

Important Notes

• The carrier bearing drop is necessary for models equipped with the two-piece rear drive shaft.
• Some vehicles may require a rear driveshaft spacer kit 122007 to maintain adequate rear driveshaft engagement.
• Will not fit air ride equipped models.
• Diesel models only.