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Description
Kryptonite Death Grip Radius Arm Kit 05-26 Ford SuperDutyOkay, so why would you want to upgrade your factory stamped steel radius arms to these Death Grip Radius Arms? First, what exactly is a radius arm and what does it do? The radius arms on your truck are responsible for tying the front axle to the frame and allow it to cycle relatively vertically with a slight amount of swing due to the triangulation from the pivot point. To some degree, they aid in side to side movement of the axle, as well. Besides
Okay, so why would you want to upgrade your factory stamped steel radius arms to these Death Grip Radius Arms? First, what exactly is a radius arm and what does it do? The radius arms on your truck are responsible for tying the front axle to the frame and allow it to cycle relatively vertically with a slight amount of swing due to the triangulation from the pivot point. To some degree, they aid in side to side movement of the axle, as well. Besides looking extremely impressive, they offer many improvements to the performance of your suspension, as well.
This radius arm was designed and built for maximum durability, high tire clearance capability, and an industry leading range of caster alignment adjustability. By having this type of caster adjustment, you can ensure you eliminate any of the "floating" feeling these trucks are notorious for, even in stock ride height. Fully boxed and hand welded construction ensures a Death Grip hold on your front axle. Built into the box welded structure of this arm is a tire clearance pocket which will allow clearance of a 37" x 13.5" tire on a stock 20" rim with 5.5" of backspacing. This means a nice, tucked in stance without the radius arm rub you'd get with stock arms, or even many aftermarket arms.
Kryptonite kept alignment adjustability in mind with the design of this arm. Utilizing their exclusive Hexagon Caster Eccentric allows you to make fixed 2 degree incremental changes in 5 different positions. This means that at any ride height from 0" up to 6" you'll be able to dial in caster exactly where you need it. The best part is, no worrying about losing your adjustments over time or with rough driving. The Hex shape of this Caster Eccentric will lock your alignment adjustment into place.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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
4.0 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Very cool pillow cover
Color: Dark Grey, Size: 1 Pack Body(20x54)-Regular
Great value for the price! Body pillow is very comfortable and silky smooth. Has a very nice very color. Pillow case is not heavy at all! Would recommend!
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Good pillow case
Color: Dark Grey, Size: 1 Pack Body(20x54)-Regular
It’s a nice soft pillow case. Fits perfectly on my body pillow
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Reviewed in the United States on May 18, 2026
★★★★★ 4
Cooling and comfortable against your skin
Color: Navy Blue, Size: 1 Pack Body(20x54)-Regular
Fits perfectly and feels nice against your skin. Just wish it had a zipper on the end. That would have made it perfect.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
I am stunned
Color: Black, Size: Queen(20x30)
I had no idea what to expect from these. But for as cheap as they were I was willing to just write it off of they weren't that good.
I had already picked up a new memory foam pillow to replace my previous memory foam pillow that didn't do well with dissipating heat. This new pillow was fine by itself, but when I put my pillowcase on it, the properties that made it cooling were negated. I'd get a bit of sweat on the side of my head or my neck where it was against the pillow all night. The pillow was supposed to be a cool one, but the pillowcase was not.
So I grabbed this set. Smooth, no loose threads anywhere, stitching and seams are all spot on. And it's smooth to the touch. Got it on the pillow, and as soon as I laid my head down on it, I could tell immediately that this was going to be a different result that my other one. Not nearly as warm even after laying on it for a while. No heat buildup, no bits of moisture on the skin after being on it all night.
This definitely works well, especially with my cool sleep pillow. Now I can have a far more comfortable nights sleep. For the price, it's a steal. I have no idea what longevity will be, but with two of them, I'm sure I'll get more than my money's worth.
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Reviewed in the United States on August 7, 2023
★★★★★ 5
Soft and cooling
Color: Dark Grey, Size: 2 Pack Queen(20x30)-Regular
Soft, not too thick and wash very well. Feels great against my skin and doesn’t make my hair frizzy. Color was perfect.
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Reviewed in the United States on May 13, 2026
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