4" F450 F550 Lift Kits released in our newest generation of suspension lifts! Our “RAD” series (Radius Arm Drop) series. This new 4" F450 F550 RAD Series line is the perfect balance between those that need an extremely rugged suspension lift, yet still want it to be stylish!
We address everything needed for your 4" F450 F550 Lift Project in this kit. Our rear blocks have the bumpstop pads built in to utilize the factory rear bumpstops that Ford designed in for the heavy hauling these trucks were designed for. Our 4" F450 F550 drop brackets for the radius are the beefiest in the industry!
We went about it a little different with this 4" F450 F550 Lift Kit. Instead of the drop bracket going up inside the factory radius arm pocket, we designed ours to mount uniquely outside. That adds width and strength to your 4" F450 F550 Lift. These features cost more to produce, but the end result is unmatched. All our steel is U.S. made and is at least ¼”, and in some instances even larger. We offer several shock options on this line.
Our "BOLT" series is an affordable option for your 4" F450 F550 Lift Kit project that retains all of our Rugged Off Road Design benefits but offers a lower cost with the removal of our Identity Series RAD (Radius Arm Drop) Badge Kit.
The image inset is courtesy of the Diesel Brothers November Truck Giveaway! The Stryker RAD Series Lift Kit was used and brand referenced on their promotional material.
4 1/2" Badged Identity Radius Arm lift kit installed on a 2022 F350 by Two Brothers Tire and Auto. |
Radius Arm Drop Bracket - Rugged Style
We went about it a little different. Instead of the drop bracket going up inside the factory radius arm pocket, we designed ours to mount uniquely outside. That adds width and strength. These features cost more to produce, but the end result is unmatched. All our steel is U.S. made and is at least ¼”, and in some instances even larger.
OPTIONAL SHOCK UPGRADES
Stryker's 4" F450 F550 lift kit does not require upgrading your shocks if they are still comfortably within their useful life.
With the shock extension brackets included in this kit the standard F450 F550 Super Duty OEM Shocks can comfortably operate with this 4" lift kit and continue to provide you with that excellent Super Duty ride you expect.
Stryker offers shock upgrades if your driving conditions exceed the standard OEM shocks sweet spot for off road terrain or towing or if your shock is nearing its useful expected operating life. The industry consensus is that with heavy use, you could be looking to replace them at 40,000 or 50,000 miles or sooner. Under normal conditions, 75,000 to 90,000 miles might be reasonable. We have provided a range of shocks for you to consider.
SHOCK OPTIONS |
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Stryker ORD- Stryker 2.0  |
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Stryker ORD-Level 4 Fox 2.0 Fox
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The body is a 2.0" impact extruded, CNC machined 6061-T6 clear anodized aluminum one-piece body resists rust over time. Black-anodized, CNC-machined 6061-T6 billet aluminum ends. The shaft is 5/8" hard chrome plated heat treated alloy steel. The piston is a race-developed high-flow piston design. The valving, seals, redundant sealing pack system main seal, wiper seal, scraper seal are all designed for superior performance. The oil is JM92 Advanced Suspension Fluid for improved performance at variable temperatures. The bushings are quiet nitrile rubber allows for increased suspension a |
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Stryker ORD-Level 5 Fox 2.0 Reservoir  |
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This Level 5 Fox 2.0 Performance Series Reservoir, IFP aluminum smooth body shock delivers FOX's industry leading and race dominating performance in an affordable, hassle-free bolt on package. Its heat reducing design includes a metal impacted clear anodized aluminum shock body that dissipates heat faster than a conventional steel body shock. Its external reservoir allows for increase oil and nitrogen capacity while delivering a striking race look. The included black anodized reservoir mounting clamp and other components are CNC machined from 6061-T6 aluminum. The race developed high flow damping piston matched with application specific valving provides the Performance Series 2.0 Reservoir shock a predicable ride quality capable of handling t |
Stryker 2.0 Zinc Monotube Shocks
DUAL STEERING STABILIZERS
There is no consensus regarding single versus dual steering stabilizers. But lifted truck projects are usually accompanied with larger tire sizes.
Larger tires bring a variety of physical demands for your F450 F550 Super Duty Truck
Vibration:
Vibration is the primary demand to focus on. The original excellent suspension on your F450 F550 can accommodate most of that vibration. But if you improve the handling and ride quality by dampening the added side to side motion of your tires that is the first place to address. Shock absorbers dampen the up and down movement of your Super Duty and they can also dampen the side movement of your larger tires.
Dual Versus Single:
Dual stabilizers dampen the vibrations better than a SINGLE shock tied to one side in OUR opinion. Is the improvement worth the added cost?
Of course it depends on several subjective INFORMED decisions. If your Lifted Super Duty is actually a daily driver then the performance improvement may not be required. But if you plan to build your F450 F550 with the capability of HEAVY OFF ROADING even if you don't go there then DUAL is likely your best investment. The cost ADDER is actually not significant compared to the value of your Super Duty. If your lifted truck has tires 35" or larger you are an excellent candidate to investigate a Steering Stabilizer even if Off Road is not a concern!.
And then there is the subjective issue of STYLE!
What did you want to look at when you see the front of your F450 F550 Lift? Stryker's goal is to provide you with RUGGED STYLE™! We are committed to providing performance and style. Review our V1 and V2 offerings including 4 levels of shock upgrades.
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You can add these items to your cart AFTER you place the 4" RAD/BOLT Suspension Lift into your cart. You will then see the package discount included in your cart! To learn more about these Traction Bars go to our product catalog.
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