ROUGH COUNTRY | 4.5" Lift Kit | 17-22 Ford F-350 Super Duty | Select Kit Options

4.5" Lift KitSelect the configuration below. Review the fitment notes and included components for your selected part number before ordering.Available options DRW / D/S / M1 — 55941 Dually / M1 — 55940 Dually / Vertex — 55950 Dually / V2 — 55970 DRW / FR D/S / Vertex — 55951 DRW / FR Drive Shaft — 55931 Diesel / Dually — 55930 DRW / D/S / V2 — 55971 Years Make Model Drive 2017-2022 Ford F-350 Super Duty 4WD Important fitment notesDoes NOT fit gas engine models. Does NOT fit single rear wheel models. Rear wheels may require dually wheel sapcers Does NOT fit manual shift transfer cases Does NOT work on models equipped with Tremor Factory Trim Package Does NOT fit 2020 models with 10-speed transmissionDRW / D/S / M1 — 55941Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.Dually / M1 — 55940Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.Dually / Vertex — 55950Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.Dually / V2 — 55970Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.DRW / FR D/S / Vertex — 55951Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.DRW / FR Drive Shaft — 55931Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.Diesel / Dually — 55930Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.DRW / D/S / V2 — 55971Take your truck to new heights with Rough Country's 4.5-inch Suspension Lift! This all-inclusive kit comes with everything you need for a total trasnformation of your truck. Run up to 37in tires while preserving the smooth, factory ride quality with this impressive upgrade. This kit includes a set of lifted coil springs and ultra-durable, fabricated anti-wrap rear blocks that prevent binding and axle wrap. Best of all, this kit comes with your choice of Rough Country’s N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough Country’s Lifetime Replacement WarrantyEasy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Radius arm drop brackets allow for properly set caster. Proper caster is crucial to maintaining factory handling and driveability. Includes application valved shock absorbers which offer the best in balanced performance for on and off-road use. Fabricated blocks are stronger and offer a longer lifespan than cast blocks.Installation instructions 55941: Installation PDF 55940: Installation PDF 55950: Installation PDF 55970: Installation PDF 55951: Installation PDF 55931: Installation PDF 55930: Installation PDF 55971: Installation PDF