Rough CountrySold & installed by Top Edge

Rough Country 6 Inch Lift Kit | Radius Arm | No OVLD | M1 | Ford F-250/F-350 Super Duty (17-22)

Professional Rough Country installation, fitment support and local pickup at Top Edge in Denver & Montrose, Colorado.

SKU55840PickupDenver + MontroseFitmentWe can verify your vehicle
Rough CountryColorado pickup + installation
Parts price$1,759.95Current Rough Country dealer-feed price
Top EdgeParts • Install • Fitment support
Confirm current availabilityETA 10/29/2026. Contact Top Edge before ordering so we can verify the latest supplier timing.
LIVE SUPPLIER INVENTORYRough Country warehouse stock
Updated by our nightly dealer feed
NV
Nevada warehouse0 unitsNo immediate stock reported
TN
Tennessee warehouse0 unitsNo immediate stock reported
LOCAL FULFILLMENTChoose your Top Edge pickup location in cart
Professional installation available at both locations
DenverTop Edge DenverStore pickup + installation1015 E 70th Ave Suite F · Denver, CO 80229
MontroseTop Edge MontroseStore pickup + installation19185 Highway 550, Suite B · Montrose, CO 81403

Inbound delivery from Rough Country is calculated in cart for pickup or installation. Eligible products can also ship directly to U.S. addresses once live checkout is enabled.

Check Availability / Get Install Quote

We avoid taking online orders against long or unclear supplier backorders. Top Edge can verify current timing and recommend an alternative if needed.

Need installation, financing or help?Get an installed estimate, contact a specialist, schedule service, or review financing options.
Instant AI Estimate Text a Specialist Book an Appointment Finance Parts + Installation

Top Edge Denver (303) 242-5135 · Top Edge Montrose (970) 252-8567

Top Edge offers this product as part of our professional installation services. Products are ordered per installation and are not typically stocked in-house. When the manufacturer reports the product available, most Rough Country special-order parts are typically ready for local pickup or installation in 4–6 business days. Final parts and installation pricing will be confirmed before ordering.

PROFESSIONAL INSTALLATIONWant a complete installed price?

We can verify fitment, quote installation, include alignment when applicable, and schedule Denver or Montrose.

Online Order Pickup VerificationPickup verification required: bring the original physical credit card used for the online purchase and a valid government-issued photo ID matching the cardholder/order. A signature is required in store before merchandise is released.If you paid with a digital wallet, additional payment verification may be required because the wallet card number can differ from the physical card. Contact Top Edge before pickup if needed.

Top Edge quote-first catalog: this Rough Country product is on-site for fitment and install planning. Pricing and live stock are intentionally hidden.

Fitment summary: Ford (2017-2022)

Open installation guide

ORDER WITH CONFIDENCE

Free store pickup + live warehouse availability

FREE Denver store pickupEligible Rough Country products ship to Top Edge Denver at no added freight charge.
Free shipping on many productsQualifying ground orders ship free in the contiguous U.S.; final options appear at checkout.
Montrose pickup availableMost qualifying ground-shipped products arrive at Top Edge Montrose with free shipping. Freight and oversized-item charges, when applicable, appear at checkout.
Current supplier inventory
Nevada warehouse0 available
Tennessee warehouse0 available
Inventory last updated Sep 10, 2026 7:08 am
Fitment SupportWe can verify the part for your exact vehicle.
Two Colorado LocationsPickup or install in Denver or Montrose.
Professional InstallationParts, labor, alignment and setup in one place.
Financing AvailableAsk about payment options for larger builds.
Product Details, Fitment & Colorado Installation

About the Rough Country 6 Inch Lift Kit | Radius Arm | No OVLD | M1 | Ford F-250/F-350 Super Duty (17-22)

This parts & accessories is part of the Rough Country lineup available through Top Edge. Indexed vehicle fitment includes 2017–2022 Ford F-250 Super Duty / Ford F-350 Super Duty. Top Edge can verify the exact vehicle configuration, supply the part, and provide professional installation at our Denver or Montrose, Colorado locations.

BrandRough Country
Part number55840
Product typeParts & Accessories
Indexed fitment2017–2022 Ford F-250 Super Duty / Ford F-350 Super Duty
Manufacturer availabilityETA 10/29/2026
GTIN / UPC840269917974

Common questions about this Rough Country product

Will this Rough Country product fit my vehicle?

Our Rough Country fitment index currently associates this part with 2017–2022 Ford F-250 Super Duty / Ford F-350 Super Duty. Exact trim, drivetrain, bed/cab configuration and factory-option restrictions can matter, so Top Edge can confirm fitment before the part is installed.

Can Top Edge install this part in Colorado?

Yes. Professional Rough Country installation is available through Top Edge in Denver and Montrose, CO. Suspension-related installs can also be paired with alignment or related chassis work when applicable.

Can I finance a larger Rough Country build?

Top Edge offers financing options for qualifying repairs and vehicle upgrades. Review the Top Edge financing options or ask an advisor to include installation in the project estimate.

LOCAL PICKUP + PROFESSIONAL INSTALLATION

Lift Kit, Suspension & Truck Accessory in Denver & Montrose, Colorado

Top Edge can verify fitment, supply the 6 Inch Lift Kit | Radius Arm | No OVLD | M1 | Ford F-250/F-350 Super Duty (17-22), and provide professional lift kit, suspension & truck accessory installation. Choose pickup or installation through our Denver or Montrose location.

Denver / Front RangeServing Denver, Thornton, Northglenn, Westminster, Commerce City and nearby communities.
Montrose / Western SlopeServing Montrose, Delta, Olathe, Ridgway, Ouray and surrounding Western Colorado.

Need installation pricing? Send us your vehicle year, make, model and the Rough Country part number and our team can confirm the right setup.

Description

Take your truck to new heights with Rough Country’s 6in Radius Arm 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. When changing a vehicle’s suspension, the key to preserving ride quality is keeping the geometry of all suspension components as close to their factory angles as possible. Rough Country’s new 6-inch Radius Arm Suspension Lift features a set of ultra-durable Radius Arms, precision fit to bolt right into the factory mounts for an easier install and a more factory-like angle. At 27lbs each, these beefy, upgraded Radius Arms dwarf stock equipment┬áand feature durable durable rubber bushings for maximum vibration absorption. 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 CountryΓÇÖs N3, V2 Monotube, or Vertex Adjustable Reservoir shocks! Includes Rough CountryΓÇÖs Lifetime Replacement Warranty

Install notes: Does NOT fit gas engine models. Does NOT fit dually models. Does NOT fit manual shift transfer cases Does NOT fit models with 3.5" rear axle tube Does NOT fit models equipped with rear factory contact overload springs Does NOT work on models equipped with Tremor Factory Trim Package

Additional information

Weight 298.2 lbs
YearsMakeModelSubmodelDrive
2018-2022FordF-250 Super DutyLimited4WD
2017-2022FordF-250 Super DutyKing Ranch4WD
2017-2022FordF-250 Super DutyLariat4WD
2017-2022FordF-250 Super DutyPlatinum4WD
2017-2022FordF-250 Super DutyXL4WD
2017-2022FordF-250 Super DutyXLT4WD
2018-2022FordF-350 Super DutyLimited4WD
2017-2022FordF-350 Super DutyKing Ranch4WD
2017-2022FordF-350 Super DutyLariat4WD
2017-2022FordF-350 Super DutyPlatinum4WD
2017-2022FordF-350 Super DutyXL4WD
2017-2022FordF-350 Super DutyXLT4WD
  • 1 x 4.5 In Block U-Bolt Kit No Overloads | Ford Super Duty (11-22)
  • 1 x Radius Arm Kit Box | Ford Super Duty (17-22)
  • 1 x Transfer Case Clocking Kit | Ford Super Duty (17-24)
  • 1 x M1 MONOTUBE SHOCK PAIR
  • 1 x M1 MONOTUBE SHOCK PAIR
  • 1 x Univ. 3 4 X 4 1 X 1 2in U-Bolt Kit | Ford Super Duty (17-22)
  • 1 x 6 Inch Coil Box | Ford Super Duty (05-22)
  • 1 x Radius Arm Upgrade Box | Ford F-250/F-350 Super Duty 4WD (2005-2022)
  • 1 x Radius Arm Upgrade Box | Ford F-250/F-350 Super Duty 4WD (2005-2022)

Lift Kit & Suspension Fitment and Installation Guide

Top Edge supplies this Rough Country product for delivery or pickup and offers professional installation at both Colorado locations. Use this guide to confirm the vehicle, plan the job and avoid fitment surprises.

Confirm fitment before installation

This part is indexed for Ford (2017-2022). Confirm the exact year, make, model, drivetrain, trim and product-specific measurements.

Confirm lift height, drivetrain, factory suspension package, wheel and tire size, and alignment requirements.

Professional installation in Colorado

Suspension installation should include correct fastener torque, clearance checks and a post-installation alignment when required. Installation is available at Top Edge Denver for the Front Range and Top Edge Montrose for the Western Slope.

Denver shop details · Montrose shop details

Delivery or free ship-to-store

This kit may arrive in multiple boxes. Keep every package and label together until all components are checked. Free ship-to-store is available at checkout.

Reviews

There are no reviews yet.

Be the first to review “6 Inch Lift Kit | Radius Arm | No OVLD | M1 | Ford F-250/F-350 Super Duty (17-22)”

Your email address will not be published. Required fields are marked *

FRESH FROM TOP EDGE

Tech Tips for Your Build

Recent lift kit, suspension & truck accessory, alignment and car audio advice from the Top Edge team.

View all tech tips