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Description
2023-2025 Ford F-250/F-350 Super Duty 4WD Diesel 4.5 Inch Lift Stage 4 Suspension System W/ Radius Arms & Expansion Packs Icon Vehicle DynamicsThis ICON Vehicle Dynamics 4. 5 Inch suspension system is a great way to lift your 4WD 2023 2025 Ford F 250 F 350 Super Duty while drastically improving ride quality and performance and allowing fitment of larger, more aggressive wheel and tire combinations. This Stage 4 system is perfect for on road and towing use, as well as job site duty, washboard gravel roads, and general off road adventures. Features and Benefits: ICON's 4. 5 Inch Stage 4 System
This ICON Vehicle Dynamics 4.5 Inch suspension system is a great way to lift your 4WD 2023-2025 Ford F-250/F-350 Super Duty while drastically improving ride quality and performance and allowing fitment of larger, more aggressive wheel and tire combinations. This Stage 4 system is perfect for on-road and towing use, as well as job site duty, washboard gravel roads, and general off-road adventures.
Features and Benefits:- ICON's 4.5 Inch Stage 4 System is comprised of 4.5 Inch lift coil springs optimized for trucks equipped with diesel engines with a dual rate design that allows for a softer initial rate for superb on-road comfort and a firmer secondary rate that increases during compression for excellent bottoming resistance and off-road performance. Fabricated radius arms offer significantly more strength over the OE units and feature built in caster cams for on-vehicle caster adjustment, maintenance free bushings, and improved tire clearance at full steering lock, all while eliminating the need for drop brackets and thus raising ground clearance under the chassis. The fabricated track bar drop bracket allows the axle to be properly centered under the frame and reduces road feedback throughout the steering system with improved on- and off-road manners thanks to the elimination of bump steer. An adjustable track bar allows for on-vehicle adjustment to fine tune track alignment as well as eliminating the deflective OE track bar bushings for an overall more rigid unit to improve the vehicles handling characteristics.
- ICON's dual opposing steering stabilizer kit featuring ICON 2.0 Aluminum Series shocks improves steering damping to better control undesirable steering feedback caused by larger tires. Leaf spring expansion packs provide 2 inch of rear lift over stock with improved ride quality and small bump compliance while also reducing axle wrap compared to lift blocks. ICON 2.5 Aluminum Series remote reservoir front and rear shocks feature a vehicle specific tune for improved vehicle handling and excellent ride quality on- and off-road, with improved performance compared to 2.0 Aluminum Series shocks, and remote reservoirs greatly increase shock oil volume and heat dissipation surface area to resist overheating and cavitation under hard use, which can lead to damper fade. The included box kit includes fabricated front sway bar drop brackets to prevent bind, heavy-duty aluminum bump stop spacers, and high quality stainless steel extended brake lines.
- This suspension system features high quality CNC machined, laser cut, and brake formed components and with the endless hours ICON has spent testing and tuning our suspension components and shock absorbers as a complete system, you can rest assured you have the best suspension solution on the market.
- Fits 2023-2025 F-250 / F-350 4WD diesel applications
- ICON engineered dual rate coil springs deliver 4.5 Inch of front lift with exceptional vehicle control over varying terrain
- ICON 2.5 Aluminum Series remote reservoir shocks feature vehicle specific tune for superior performance and ride quality
- Remote reservoirs maintain cooler operating temperatures and consistent performance during extended off-road use
- Approximately 50 Percent increased front wheel travel over stock
- Fabricated radius arms provide increased strength. on vehicle caster adjustment, improved tire clearance at steering lock, and higher ground clearance
- Track bar drop bracket reduces track bar angle and corrects bump steer geometry
- Adjustable track bar allows fine tuning of track alignment and improves handling characteristics
- Dual steering stabilizer kit offers increased steering damping
- Stainless steel braided front brake lines
- Leaf spring expansion packs improve ride quality and provide 2 inch of rear lift
- 2.5 Aluminum Series shocks feature corrosion resistant hard anodized shock bodies with 7/8 Inch shafts
- 2.0 Aluminum Series steering stabilizers feature corrosion resistant anodized shock bodies with 5/8 Inch shafts
- Shocks are fully rebuildable and re-tunable
- Lifetime guarantee against coil spring breakage or sagging
- Lifetime guarantee against ICON fabricated component breakage or manufacturer defect
- Active Or Passive Suspension: Passive
- Adjustable Compression: No
- Adjustable Control Arm: Yes
- Adjustable Damping: No
- Adjustable Rebound: No
- Bushings Included: Yes
- Coil Quantity Front: 2.0
- Coil Spring Color: Black
- Coil Spring Material: Steel
- Coils Quantity Front: 2.0
- Front Reservoir Style: Remote
- Front Shock Body Diameter: 2.5
- Front Spring Rate Type: Progressive Dual Rate
- Grade Type: Performance
- Leaf Spring Color: Black
- Leaf Spring Leaf Quantity: 7.0
- Leaf Spring Material: Steel
- Maximum Lift: 4.5 Inch
- Maximum Lift Front: 4.5 Inch
- Maximum Lift Height Front: 4.5 Inch
- Maximum Lift Height Rear: 2.0 Inch
- Maximum Lift Rear: 2.0 Inch
- Minimum Lift Front: 3.5 Inch
- Mounting Hardware Included: Yes
- Oem Wheels & Tires Fitment: Yes
- Rear Reservoir Style: Piggyback
- Rear Shock Body Diameter: 2.5
- Recommended Aftermarket Tires: 37 Inch X 12.50 Inch (Larger Tires May Fit But Fender Trimming And Modifications Will Be Required.)
- Recommended Aftermarket Wheels: Icon Alloys - 17x8.5 Inch W/ 5 Inch Backspace / 6mm Offset, Icon Alloys - 18x9 Inch W/ 5.25 Inch Backspace / 6mm Offset, Icon Alloys - 20x9 Inch W/ 5.25 Inch Backspace / 6mm Offset
- Shocks Included: Yes
- Spring Color: Black
- Spring Material: Steel
- Add On Part: 252012 - -4 To -10 Hose Shield Kit, 191014 - .25 Inch Collar Spanner Pin Wrench, 66204 - 23-25 FSD Icon Radius Arm Scale Mount Kit 4.5 Inch, 611081 - F-Series Dynamic Headlamp Rear Sensor 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
4.4 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
You need these if you have dry mouth
Flavor Name: Slightly Sweet, Size: 100 Count (Pack of 1)
I have a real problem with dty mouth due to medications I take. These last at least an hour. They stick well to you gum and they keep your mouth moist, better than any other products for dry mouth. You can even use them when you go to sleep. I use 2 at a time, 1 on each side. Sometimes I just use one. I recommend if you are bothered by dry mouth. They are sugar free.
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Reviewed in the United States on March 29, 2026
★★★★★ 5
Dry Mouth...BE GONE!!
Flavor Name: Slightly Sweet, Size: 100 Count (Pack of 1)
These are a fabulous product! I have been using them for years. As a CPAP patient, dry mouth during the night is a big issue. Xylimelts solves this completely. Each tablet has a concave side. After you moisten them in your mouth you stick the concave side onto your gums below your teeth, or inside of your cheek. There they stay firmly in place and slowly melt, keeping your mouth perfectly moist all night. My magic bullet is one on each side of my lower jaw and one stuck to the roof of my mouth. They last all night. Xylimelts come in several flavors. Slightly sweet is my favorite, because the mint is a little too strong for me. I cannot live without this product!
My daughter does not have a CPAP machine but suffers with sinus congestion. She uses these every night to combat dry mouth associated with mouth breathing during sleep.
PRO TIP: once you have them firmly in place, do not try to move them. They are solidly glued down and you can cause irritation by prying them up.
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Xylimelts work! Don't leave home without them!
I love the mint free version of Xylimelts. The mint flavored ones are also good but I'm not a fan of mint. As far as working to alleviate dry mouth, they work. I'm able to use 1 Xylimelt per night and get about 6 hours of comfort. That is sufficient for my needs. The instructions say that you can use 2 Xylimelts at a time, if you need them. Properly moistened before holding in place on your gum, they will adhere tightly. There are certain products that make my life better and Xylimelts are one of them. While not mentioned in the literature, my experience is that using these over the last two years, I've experienced zero cavities. For me, this makes sense as the Xylimelts help prevent bacteria from adhering. Since dry mouth also encourages cavities, using them regularly give you a leg up at preventing cavities while keeping you comfortable all night. I've never used them in the daytime but they are unobtrusive and were certainly help with chronic dry mouth. Definitely works for me.
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Reviewed in the United States on April 11, 2019
★★★★★ 5
Sleep-aid
I've used Oracoat XliMelts for years at night time. I usually only need one for overnight. Keeps my throat dry so I don't keep waking up with a dry mouth.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Finally A Product that Works For Me
I have severe dry mouth. It's due to medication which I need. It was so bad my tongue would stick to the roof of my mouth and I couldn't open it again. I had really bad gun problems and lots of dental work from the infections that developed. Eventually I had to give Up a valuable medication. That was the last century and toothpaste and mouthwash weren't enough. I am.now taking medication that I wouldn't be able to if it weren't for Xylimelts. I found keeping up with the right mouthwash and using this does the trick. I do need some squirts of Biotene spray. That's instant saliva. Keeping this pouches against the gum has been a game changer. It doesn't show. I don't feel it except when it runs out, gets tiny and crumbles into my mouth. That is about two hours. A friend used it and it lasts four hours. I dont remember if I felt it after the first couple of days. It's curved design makes it undetectable. I think the first day of two I kept checking it stayed in place. It does. It doesn't need any particular placement. I put It on the tip of my finger and wherever it goes is fine. This really works. Finally a product that does work for very dry mouth. At night I put two in and they're still there in the morning. I m a mouth breather so the dry mouth was really hard on me comfort-wise. People try to be kind and suggest you have a drink of water. They don't know it's not thirst. I will say taking sips of whatever you like helps. But in the last century I had to give up a valuable medication because my tongue stuck to the roof of my mouth so badly I couldn't open it again. Really embarrassing. It wasn't healthy for my gums either. This does it for me. I hope this helps other people who suffer from bad dry mouth or need it less often
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Reviewed in the United States on July 17, 2019