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Description
2017-2022 Superduty 2.5-4" Tubular Radius Arms (77-27400)The ReadyLIFT Tubular Radius Arm Upgrade Kit for the 2017 2022 Ford Super Duty F250 F350 is a heavy duty suspension solution engineered to handle the rigorous demands of lifted diesel trucks. These radius arms are designed to correct suspension geometry and caster angles on vehicles with 2. 5 to 4. 0 inches of lift. Formed inward to provide additional tire clearance, these arms allow for larger wheel and tire combinations while utilizing oversized
The ReadyLIFT Tubular Radius Arm Upgrade Kit for the 2017-2022 Ford Super Duty F250/F350 is a heavy-duty suspension solution engineered to handle the rigorous demands of lifted diesel trucks. These radius arms are designed to correct suspension geometry and caster angles on vehicles with 2.5 to 4.0 inches of lift. Formed inward to provide additional tire clearance, these arms allow for larger wheel and tire combinations while utilizing oversized rubber bushings to isolate road noise and reduce vibration for a more refined driving experience.
Features
- Heavy-duty tubular steel construction built for maximum structural strength and durability.
- Specifically designed to correct suspension geometry on 2.5-inch to 4.0-inch lifted models.
- Corrects and optimizes the caster angle for improved steering feel and tracking.
- Arms are formed inward to allow for additional clearance for oversized tires.
- Equipped with oversized rubber bushings to isolate road noise and vibration harshness.
- Direct bolt-on design facilitates a quick and easy installation with no permanent modifications.
- Includes a specialized cam bolt kit for fine-tuned alignment adjustments.
- Provides a clean, professional aesthetic to the front suspension of the Ford Super Duty.
Notes
- A professional wheel alignment is required after installation to ensure optimal handling and safety.
- Headlamp aim must be checked and adjusted for safety following the significant change in ride height.
- Advanced Driver Assistance Systems (ADAS) should be recalibrated to maintain proper monitoring and function.
- Installation by a certified mechanic is recommended to ensure all critical geometry corrections are properly executed.
- If currently using caster shims with a leveling kit, they should be removed when installing these radius arms.
Compatibility Notes
- Fits 2017–2022 Ford Super Duty F250 and F350 Diesel 4WD models.
- Designed for lift heights between 2.5 inches and 4.0 inches.
- May gain additional tire clearance at full turn compared to stock arms.
Specs
- Material: Heavy-Duty Tubular Steel.
- Lift Compatibility: 2.5" to 4.0" Front Lift.
- Bushings: Oversized Vibration-Isolating Rubber.
- Installation Time: Estimated 3 hours.
- Kit Contents: One (1) left assembled radius arm, one (1) right assembled radius arm, and a cam bolt kit.
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
4.7 ★★★★★
Based on 2330 reviews
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Product Reviews
★★★★★ 5
nice chair for the money
This is a great chair for those not wanting to spend a lot of money and well built and sturdy. I don't do gaming so I'm looking at it as a computer chair so that's what my review will focus on. I had no trouble putting it together as it has a nice instruction book and not a one page print out like most China made products. Also the enclosed Allan wrench with a handle was someone's smart idea. It looks good (I also bought it since it was red) it's comfortable and fit's my needs but I can't comment on the durability factor as I have it for just a few days but I have no complaints for the price I paid at this time.
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Reviewed in the United States on November 19, 2024
★★★★★ 5
I Recommend!
very comfortable chair ive had it for a while now, it starts to get a faint creaking noise, but nothing unbearable. the cushions are firm yet comfortable at the same time. its not too big of a chair, fits great in my room. for the price , its pretty good quality, same could be said for its reclining, depending on how you set the tension of the reclining, the chair can be reclined with ease, or tight. this chair was easy to use and to set up. I very much recommend.
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Reviewed in the United States on September 13, 2025
★★★★★ 5
Great chair at a great price point.
This item was easy to put together, it was comfortable and visually stunning to look at. My toddlers are able to climb in and out as the chair remains stable. It’s simple to recline, and does so smoothly. The quality is great especially for the price point
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Reviewed in the United States on July 7, 2025
★★★★★ 4
I would by again!
Good and lasted for over a year. A good quality product.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
I'll Take Three!
I recently purchased the DUMOS Ergonomic Computer Gaming Chair, and I couldn't be happier with my decision! This chair combines comfort, style, and affordability in a way that truly exceeded my expectations. The PU leather lumbar support provides excellent comfort and proper posture, making long gaming or work sessions much more enjoyable.
What really surprised me was the fantastic price—so good that I ended up buying three! I chose two in striking red and one in sleek blue for each person's room, and they all look fantastic. The build quality feels sturdy and durable, and the ergonomic design has already made a noticeable difference in my comfort levels.
If you're looking for a stylish, comfortable, and budget-friendly gaming or office chair, I highly recommend the DUMOS Ergonomic Chair. It’s a great investment in your comfort and style!
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Reviewed in the United States on October 19, 2025