BDS 4" radius arm lift kit for Ford F350 Dually Super Duty diesel trucks, with clearance for up to 37" tires. Up front are diesel-specific Pro-Ride coil springs, heavy-duty replacement radius arms that correct caster, a forged drop pitman arm and track bar bracket for steering correction, sway bar relocation, brake line brackets, and nitrogen charged shocks. The rear uses a fabricated lift block, longer u-bolts, brake line brackets, and NX2 Nitro or FOX Performance shocks.

Features

• 100 percent bolt-on installation
• Pro-Ride dual rate coil springs ride smooth through any terrain
• Heavy duty tubular steel radius arms correct caster while maximizing ground clearance
• Track bar relocation bracket and pitman arm maintain proper steering angles
• Fabricated steel blocks provide a level stance front to rear
• Standard NX2 Nitro shocks with vehicle-specific valving
• Upgrade to FOX 2.0 Performance Series shocks for max on- and off-road performance

Specs

• Front Lift Method: Coil Spring
• Rear Lift Method: Block
• Shocks Included: Yes
• Front Lift Height: 4 inch
• Rear Lift Height: 3 inch

Recommended Tire & Wheel Fitment

• Tire Size: 37x12.5
• Wheel Diameter: 18x9, 20x9
• Back Spacing: 5/5

Notes

• Removal of the factory leaf spring block is required. Net rear lift varies with the factory block height but results in a level stance.
• If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (BDS123402)
• Torque wrench capable of 405 ft-lbs required
• 37x12.50 tires may require minor trimming

Includes

• BDS013317, 2020-2022 Ford F-250/F-350 3In Rear Box Kit (UPC 658848613281)
• BDS013414, 2017-2024 Super Duty 4 inch Front Box Kit (UPC 658848613458)
• BDS033411, 2005-2024 Ford F250/F350 Superduty 4 inch Coil Kit - Diesel (UPC 658848616527)
• BDS123251, 2005-2022 Ford F250/F350 Radius Arm Kit, Pair (UPC 711745604087)
• BDS85431, 2017-2024 F250/F350 Single Stabilizer (UPC 711745609242)
• FOX98224700, Fox 2.0 Shock 25.65 x 16.05 x 2- S50/EB1
• FOX98224718, Fox 2.0 Shock 33.85 x 20.75 x 2- EB1/EB1