Take your 2013-2018 RAM 3500 diesel truck to the next level with this BDS 6" radius arm lift kit, engineered for trucks factory equipped with rear air ride, with clearance for up to 37" tires. Up front it includes diesel-specific progressive-rate Pro-Ride coil springs, heavy-duty tubular radius arms with caster adjustment, a forged drop pitman arm and track bar bracket for steering correction, bump stops, brake line brackets, and precision-tuned NX2 or FOX 2.0 nitrogen-charged shocks. The rear uses a high-strength fabricated lift block, heavy duty air bag spacers, longer u-bolts, and matching NX2 Nitro or FOX 2.0 Performance shocks.

Features

• 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 correct front driveline angles and allow use of factory driveshafts
• Choice of BDS NX2 gas or FOX Performance Series internal floating piston gas shocks

Specs

• Front Lift Method: Coil Spring
• Rear Lift Method: Blocks
• Shocks Included: Yes
• Front Lift Height: 6 Inch
• Rear Lift Height: 5 Inch

Recommended Tire & Wheel Fitment

• Tire Size: 37x12.5, 35x12.5
• Wheel Diameter: 18x9, 17x9
• Back Spacing: 4.5/4.5

Notes

• Kits come standard with 6-bolt indexing ring kit. If equipped with heavy-duty 8-bolt t-case, order 122813 in place of 122623.
• For rear leaf spring equipped models only.
• The carrier bearing drop (122405) is necessary for models equipped with two-piece rear drive shaft.
• Some vehicles may require rear driveshaft spacer kit 122007 to maintain adequate rear driveshaft engagement.
• DRW models: fit inner wheel clearance to the upper u-bolt plate on 6" kits.
• Fits OE equipped air ride systems only.

Includes

• BDS012615, 2013-2018 Ram 2500/3500 4wd 6 Inch Radius Arm Front Box Kit (UPC 711745611719)
• BDS012618, 2013-2018 Ram 3500 Auto Level Air Suspension 6 Inch Rear (UPC 658848612789)
• BDS032602, 2013-2024 Ram 3500 / 2014-2024 Ram 2500 6 Inch Coils - Diesel (UPC 658848616428)
• BDS122321, 2013-2024 Ram 2500 /2013-2024 Ram 3500 Radius Arm Box Kit (UPC 658848619429)
• BDS122623, 2013-2018 3500/2014-2018 2500 Ram T-Case Index- 6 Bolt (UPC 658848619757)
• BDS85752, Shock- 27.40 x 16.20 x 2-3/8 - S50/EB2 (UPC 711745609624)
• BDS85769, Shock- 30.95 x 18.15 x 2-3/8 - EB1/EB1 (UPC 711745609761)