BDS2140PS | BDS Suspension 6 Inch Lift Kit With Radius Arms For Ram 3500 4WD Diesel | 4.5 Inch Leaf Springs | 8 Bolt Index Ring | Fox 2.5 Performance Series HTO Shocks

• Heavy duty tubular radius arms improve strength, handling and caster control
• Front high strength progressive rate coil springs for a great ride on any 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 t-case indexing ring to correct front driveline angles and allow use of factory driveshafts
• BDS NX2 gas, FOX Performance Series IFP, or FOX Performance Elite Series gas shocks to improved ride and offroad performance

• 37 x 13.5 with 17 x 9 and 5.625 in. Backspace
• 37 x 12.5 with 17 x 9 and 4.5 in. Backspace
• 37 x 12.5 with 18 x 9 and 4.5 in. Backspace

HD Radius Arms

In place of the factory stamped steel radius arms BDS supplies a pair of high-strength tubular radius arms. These arms mount into the factory location and offer caster adjustment for a wide range of lift heights along with an OE-style rubber bushing at the frame mount for smooth, quiet, service-free operation.

Pro-Ride Coil Springs

A pair of full-length, diesel-specific, progressive rate Pro-Ride coil springs are supplied to provide the correct lift height and smooth, predictable ride across various terrains. Manufactured from high tensile steel, our direct OE replacement coil springs are engineered with properly sized wire diameter. This results in maximum reliability without premature coil bind.

Steering Correction

To optimize steering geometry once lifted, a forged drop pitman arm is used to minimize the steering angle and pair it with a heavy duty track bar drop bracket to keep them in phase through suspension travel while recentering the front axle.

Rear Lift Option

Block Kit

• Included in the base system.
• Made of steel for high strength.
• Designed to provide correct pinion angles.

Leaf Springs

• Eliminates any need for a lift block.
• Reduces axle wrap and creates a more controlled and stable feel.
• Multi-leaf progressive design for a smooth ride.
• Maintains factory payload weight ratings.

Indexing Ring Option

6 Bolt Indexing Ring

• Kits come standard with 6-Bolt indexing ring kit.

8 Bolt Indexing Ring

• Ram has an optional Aisin heavy-duty 6 speed transmission available in the 3500 trucks that utilize a different transfer case mounting bolt pattern (8-bolt).
• The 8-bolt kit also includes an internal shaft seal extension and new shaft seal.

Shock Option

NX2 Nitro Series

• Nitrogen-charged
• Twin-tube design
• 10-stage velocity-sensitive valving
• Dual-welded ends for increased strength
• 1-3/8-inch high-flow piston
• Self-lubricating seals
• Silver powder coat finish

FOX 2.0 Performance Series

• 2-inch Impact extruded aluminum body
• Internal floating piston (IFP) monotube design
• CNC machined 6061-T6 aluminum mounting ends
• Massive 5/8-inch hard chrome plated heat-treated alloy steel shaft
• Race-developed high-flow piston design
• Application-specific valving to maximize performance
• Long-lasting clear anodized finish

FOX 2.5 Performance Elite Series

• Increased off-road capabilities
• Easily adjust your shock for terrain, load and speed
• 2.5-inch Impact extruded aluminum body
• Massive 7/8-inch hard chrome plated heat-treated alloy steel shaft
• External reservoir design separates shock oil from the high-pressure nitrogen
• DSC - Dual Speed Compression Adjuster comes standard
• Fully serviceable for a lifetime of use
• 1-year Manufacturer's Warranty

FOX 2.5 Performance Series HTO

• Increased off-road capabilities
• Easily adjust your shock for terrain, load and speed
• 2.5-inch Impact extruded aluminum body
• 5/8-inch hard chrome plated heat-treated alloy steel shaft
• Hydraulic Top Out (HTO) technology offers usable position-sensitive rebound damping control on and off the pavement.
• Fully serviceable for a lifetime of use
• 1-year Manufacturer's Warranty

Important Notes

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

Installation

Specification