Description

Fabtech's 4 in. Radius Arm system with the Dirt Logic 4.0 Coilover conversion has been built for the Ford Super Duty to handle the on and offroad demands of the truck enthusiast. This Radius Arm system is a heavy duty upgrade to the factory suspension and will provide additional strength to the vehic le. The heart of this quality system is Fabtech's legendary tubular Radius Arms. The design of these arms comes from Fabtech's racing experience and are built with a tubular structure reinforced by dimple die side plates and heavy gusseting for rugged offroad use. They are superior in strength to the stock stamped arms. A heavy duty Track Bar relocation bracket centers the Super Duty axle under the vehicle and allows for full lock steering of 12.50 wide tires on 5 in. BS wheels. The front suspension receives the finest shock upgrade on the market with the Dirt Logic 4.0 Coilover conversion. It will provide outstanding damping capacity offroad with a quality on road ride. This Coilover bolts in place of the factory coil spring without removal of the coil spring bucket. The Dirt Logic is constructed with a stainless steel body for maximum corrosion resistance. It comes with a giant 4 in. diameter aluminum remote reservoir that mounts horizontally above the Coilover to allow for full compression travel with oversized tires. The rear suspension receives a 5 in. lift block, extended bump stop brackets and Dirt Logic 2.25 shocks for a balanced ride quality. This 4 in. Radius Arm system with the Dirt Logic 4.0 Coilovers is the ultimate suspension system for Super Duty owners that want to turn heads and tackle the toughest offroad terrain. System includes a free 5 year 60,000 mile powertrain warranty. Each Fabtech component has been designed with specific features and benefits that create this quality suspension system. For a greater understanding of each these components, please see below.

Radius Arm Lift System; 4 in.;

Specifications

BrandFabtech
Part NumberK2227DL
Lift/Drop Height4
Weight323.2 lbs

Vehicle Fitment

Year(s)MakeModelSubmodelNotes
2017-2022FordF-250 Super DutyBASE4 in.; Vehicles equipped with 2 piece driveshaft require FTS419
2017-2022FordF-350 Super DutyBASE4 in.; Vehicles equipped with 2 piece driveshaft require FTS419.

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Fabtech P/N K2227DL

Lift Systems with Dirt Logic Shocks

$5,612.56

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Professional installation available
We install this! Labor runs $160/hour and suspension, wheel and tire work varies a lot by vehicle and setup — contact your local store for an exact installation quote.
Nothing is charged for it today — your local H&H store works out the exact cost when they call to say your order has landed.
Built to orderShips direct from the manufacturer to your local H&H store. Call 800-953-7108 for lead times.

If an item can’t be sourced, a refund will be given and the order will be canceled.

Free store pickupReady at your local H&H
22 storesAcross the Southeast
Family-ownedServing trucks since 1987
Installation availableLabor from $160/hour — ask your store
Fitment guaranteeIf it doesn't fit, no restocking fee Details
Price matchFound it cheaper? Tell us before you buy Details
Warranty handled hereClaim it at the store, not by mail Details
4.8 out of 5 stars, 5,739 Google store reviews. These rate our stores, not this product. Read the reviews.
4.8
5,739 reviews
Store reviews on Google

Rated 4.8 across 24 stores

Every review below is a verified Google review of an H&H store — written by real customers about the people who sold, fitted and stood behind their gear.

Pelham · 14 hours ago

Jason does a great job at helping his customers that visit H&H.

Tupelo · 23 hours ago

Great communication and customer service!

Cumming · 1 day ago

Great job and quick work. Good price! I highly recommend. 👍

Oxford · 3 days ago

Bedliner installed, in and out less than 20 minutes

Jonesboro · 3 days ago

Brian was so very professional and knowledgeable of the job he performed!!!

Lilburn · 4 days ago

I purchased a roll up cover that came damaged from the factory. Jim was able to kindly replace my broken part with another one. Exceptional customer service.

Marietta · 5 days ago

Great service as always. Needed something quickly, the store had it in stock and was able to pickup within minutes. Justin was helpful and very accommodating. Highly recommend!

Gainesville · 5 days ago

Just had Arcane Warrior roof rack installed. Unbelievably quick and convenient service. Blake and Garrett were readily available and exceptionally personable. Highly recommend them for any and all truck accessory recommendations, provisions and installations!

Trussville · 6 days ago

Good experience. If you need truck accessories, these are the guys.

Reviews of H&H Truck & Outdoor stores, sourced from Google. They rate our stores and service, not this individual product.

Complete the job

Popular with the Ford F-250 Super Duty