4″ Radius Arm System w/ Front Dirt Logic 4.0 Resi Coilovers & Rear DIrt Logic 2.25 Shocks – K2227DL
2017-22 Ford F250/F350 4WD
Fabtech’s 4" 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 vehicle.
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‚Äù 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" 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" lift block, extended bump stop brackets and Dirt Logic 2.25 shocks for a balanced ride quality.
This 4" 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.
- Fabtech Replacement Radius Arms
- Fabtech Front Dirt Logic 4.0 Resi Coilovers
- Track Bar Relocation Bracket
- Sway Bar Drop Brackets
- Pitman Arm
- Rear Block & U-bolt Kit
Tubular construction with dimple die side plate for superior strength. Arms are offset for full turning radius with 12.50 wide tires on 5" back space wheels. Adjustable alignment cams on the arms allow for an additional 1.5-2 degrees of caster adjustment.
DIRT LOGIC 4.0 CONVERSION
Simplistic super stout 1/4" thick steel brackets utilize the factory coil bucket to bolt in the big Dirt Logic 4.0 Coilover. A massive 4" diameter stainless steel body with 1.25" NitroSteel® piston rod for maximum corrosion resistance and durability for the most aggressive driving conditions. The remote aluminum reservoir dissipates heat for consistent damping when driving over extreme terrain at high speed. The ultimate of all Coilover shocks.
TRACK BAR BRACKET
1/4" thick steel bracketry re-positions the factory track bar to center the axle under the vehicle with the increased lift height. Super stout box style bracket is designed to eliminate deflection when the track bar moves through its full cycle.
DROPPED PITMAN ARM
Forged steel construction with high strength material that exceeds the factory specifications. Designed specifically for the Super Duty to work in conjunction with the factory drag link and Fabtech’s extended length Track Bar for proper steering functionality.
FRONT & REAR BUMP STOP BRACKETS
Heavy duty 1/4" thick steel brackets extend the factory bump stop cushions down to eliminate over cycling of the suspension. The bracket’s heavy duty construction can handle the full impact compression of the massive Super Duty.
SWAY BAR BRACKETS
1/4" thick steel drop brackets re-position the front sway bar for the increased ride height. This allows the sway bar link ends to fully cycle without binding throughout the extended travel range.
BRAKE LINE BRACKETS
Re-positions the factory brake lines down on the frame for the new travel range without having to open the brake system. Keeps factory fluid system intact.
STEERING STABILIZER BRACKETS
Retains the stock Ford heavy duty steering stabilizer with a 1/4" thick steel bracket and support brace to help reduce tire shimmy.
REAR LIFT BLOCKS
Cast iron 5" rear lift blocks with an integrated bump stop replace the stock blocks for additional lift without changing the ride quality of the factory rear suspension or load carrying capacity.
U-Bolts designed to attach the entire rear differential to the vehicle. A critical part that demands the best quality for your vehicle.
DIRT LOGIC 2.25 SHOCKS
Constructed of a stainless steel body with NitroSteel® piston rod for maximum corrosion resistance and durability. Superior ride quality both on and offroad. Excellent damping for offroad use.
|1||FTS22309||Rear Block Kit|
|1||FTS835242D||Front Dirt Logic 4.0 Resi Coilover (Driver)|
|1||FTS835242P||Front Dirt Logic 4.0 Resi Coilover (Passenger)|
|2||FTS810052||Rear Dirt Logic 2.25 Shock|
– California Prop 65 Warning
3. Non dually models only.
42. Will not fit gas models.
163. Vehicles equipped with 2 piece driveshaft require FTS419.
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