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Description
2017-2022 Superduty 4" Coil Spring Lift Kit Falcon 1.1 Monotube Shocks (49-27421)The ReadyLIFT 4 inch Coil Spring Lift Kit for 2017 2022 Ford Super Duty Diesel trucks is a premium suspension system designed to provide the perfect balance of height and performance. This kit replaces the factory radius arms with heavy duty tubular radius arms that are formed inward to allow for maximum tire clearance while correcting caster angles for better steering feel. Paired with Falcon 1. 1 Monotube shocks and a dual steering stabilizer, this
The ReadyLIFT 4-inch Coil Spring Lift Kit for 2017-2022 Ford Super Duty Diesel trucks is a premium suspension system designed to provide the perfect balance of height and performance. This kit replaces the factory radius arms with heavy-duty tubular radius arms that are formed inward to allow for maximum tire clearance while correcting caster angles for better steering feel. Paired with Falcon 1.1 Monotube shocks and a dual steering stabilizer, this system delivers a smooth, controlled ride that is specifically tuned for the weight and power of the 6.7L Power Stroke diesel engine.
Features
- Heavy-duty tubular radius arms correct caster geometry and provide extra clearance for larger tires.
- Falcon 1.1 Monotube performance shocks offer superior damping and roll control for a better than factory ride.
- Falcon dual steering stabilizer reduces bump steer and improves front-end stability with aggressive tire packages.
- Front track bar relocation bracket maintains proper axle alignment for precise steering response.
- Engineered front coil springs are specifically tuned for diesel engines to provide 4 inches of lift without sagging.
- Sway bar drop brackets and bump stop extensions preserve factory suspension travel and geometry.
- Fabricated steel rear lift blocks provide a leveled stance while maintaining the trucks original towing capacity.
- Carrier bearing drop bracket is included to optimize driveline angles and prevent vibration.
Notes
- Single Cab configurations have not been validated for fitment or drivability with this system.
- Vehicle alignment and headlamp aim must be adjusted following the installation to ensure safety.
- The use of the factory wheels with oversized tires may require minor trimming of the inner fender liner.
- Estimated installation time is approximately 6 to 7 hours excluding wheel and tire assembly.
Compatibility Notes
- Fits 2017 to 2022 Ford Super Duty F250 and F350 4WD Diesel trucks.
- Specifically designed for Single Rear Wheel (SRW) models.
- Not compatible with 2WD or gasoline powered trucks.
- Tremor models will gain less than the stated 4 inches of lift over their factory height.
Tire Fitment
- Maximum Tire Diameter: 37 inches.
- Recommended Setup: 37x12.50 tires on a 9 inch wide wheel with a +25 offset (6 inch backspacing).
- Minor trimming of the front valance may be necessary for full clearance with certain 37 inch tire brands.
Shock Specs
- Shock Type: Falcon 1.1 Monotube series performance dampers.
- Construction: 2.125 inch 6061-T6 aluminum alloy shock bodies for high impact resistance and heat dissipation.
- Internal Technology: Features Volume Optimized Damping (VOD) with a digressive linear piston for improved control.
- Fluid: Uses Red Line high VI shock oil for consistent performance in extreme temperature ranges.
Specs
- Front Lift Height: 4 inches.
- Radius Arm Type: Heavy duty Tubular Steel.
- Kit Contents: 4 inch Front Springs, Four Falcon 1.1 Shocks, Tubular Radius Arms, Dual Steering Stabilizer, Track Bar Relocation Bracket, Sway Bar Drops, Bump Stop Extensions, Carrier Bearing Drop, Brake Line Brackets, and Fabricated Rear Blocks.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
Works well, long use on single charge, high torque - be careful when starting
Color: Black, Size: Rechargeable
Not the most inexpensive powered whisker bur I've used other Typhor products and found them reliable for the task designed. I fell they don't cheap out on the rechargeable battery so I don't fell they will catch fire, as we are hearing about from other cheaper rechargeable items. I liked 2 things about this model the speed control is by a pressure single switch which I can control, not just pick speed 1,2,3. The swappable tips allow for different uses. I don't drink coffee but use the item to whisk eggs for an omelets and it has the torque to mix them without effort. In Fact need to only use half power else it will splatter out of my mixing vessel.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
I love it!
Color: Black, Size: Rechargeable
This thing works great! It holds a charge for a long time. I love that it has different attachments. I use it mainly for mixing powder into my drinks. It is very powerful. The speed is adjustable too. It feels good to hold too. It lights up when you squeeze the trigger and when it starts losing charge, the light bar gets shorter. I highly recommend it.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Perfect all-around frother, stand keeps it nice and neat on the counter within easy reach.
Color: Black, Size: Rechargeable
Rechargeable, lightweight, variable speeds and optional whisks all make this the perfect item for your kitchen. You can quickly froth milk for your coffees, whip a small batch of whip cream, and even make mug cakes with the hook attachment. The price is very compatible with the competitors, but the ease of use makes this a top choice.
The variable speeds makes it much better to control than the push button ones. When you let go of the pressure switch it turns off, no need for a dedicated on-off switch. Having the pressure switch on the top makes it extremely easy to use! It fits very comfortably in the hand and with the metal stand, looks quite nice on the counter, ready to use at any time. I highly recommend this InstaWhisk!
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great product from a great company
Color: Black, Size: Rechargeable
This product works very well. There are several other whips to use also. I absolutely love the cream it makes and that is important so I can enjoy my morning coffee. I used this whisk for quite a while then all of a sudden it stopped working. I wrote to the company to explain. A few days later they sent me a beans new whisk. GREAT item and great company to work with.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Great Frother - almost too powerful
Color: Black, Size: Rechargeable
I’ve been using the Tyohur InstaWhisk milk frother for a while now, and overall I really like it—but I wouldn’t quite give it 5 stars, and honestly it’s because it might be a little too powerful for its own good.
First, the positives: this frother does an amazing job. The single-button control is super easy to use, and I love that you can adjust the speed just by how much pressure you apply. It feels very intuitive, and you can really dial in the exact texture you want. Whether I’m making a latte or mixing something thicker like a protein drink, it handles everything smoothly.
The performance is seriously impressive. On the lower speeds, it creates nice, silky foam, and when you turn it up, it’s incredibly fast—like café-quality foam in seconds. High-speed frothers like this are designed to create rich foam very quickly, and this one definitely delivers on that promise
That said, the power is also what knocks it down a star for me. If you’re not careful (especially when using higher speeds), it can splash pretty easily. The product description says it’s designed to prevent mess with stable low-RPM operation, and that’s true if you stay on the lower settings—but once you ramp it up, you really need to keep the whisk fully submerged or start slow, or it can send milk flying out of the container
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Reviewed in the United States on May 23, 2026