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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
Fits Chevy/GMC 2500HD/3500HD (11-24) M1 Front Shocks; 5-8"; 770776_AM1 Front Shocks 5 8" Chevy GMC 2500HD 3500HD (11 23) Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen charged M1 Monotube Shock Absorber leads the way, delivering impeccable ride quality and performance mile after mile. Rough Country's Monotube M1 Shocks feature an internal floating piston design that keeps the shock oil and high pressure nitrogen separate. The result is a lightning fast reaction with no
M1 Front Shocks - 5-8" - Chevy/GMC 2500HD/3500HD (11-23)
Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering impeccable ride quality and performance mile after mile. Rough Country's Monotube M1 Shocks feature an internal floating piston design that keeps the shock oil and high-pressure nitrogen separate. The result is a lightning-fast reaction with no cavitation - just unbridled vibration damping at each and every obstacle. The M1 Monotube Shock Absorber is more than an upgrade - it's a true performance shock. Each shock features a steel body that is brushed and glavanized boasting a passivation sealing technology that is sure to withstand the elements. The internal 46mm digressive piston offers countless years of durability. The M1 is designed to be mounted body-up for a more interesting look on the vehicle.
Features:
- 2-inch seamless extruded tube
- 3-year Manufacturer's Warranty
- 46mm digressive piston
- Self-adjusting, deflective-disc independent rebound and compression
- 18mm centerless-ground, case-hardened, chromed, and super-polished rod
- 46mm monotube design ensures consistent, fade-free performance in all conditions
- Digressive valving instantly reacts to changing surface conditions
- Zinc plated for resistance against harsh elements
- Available in various lift heights for multiple applications
- Durable vulcanized natural rubber bushings
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2024 | GMC | Sierra 3500 HD | AT4 |
| 2020-2024 | GMC | Sierra 2500 HD | AT4 |
| 2024-2024 | GMC | Sierra 2500 HD | AT4X |
| 2020-2024 | Chevrolet | Silverado 2500 HD | Custom |
| 2011-2024 | GMC | Sierra 3500 HD | Denali |
| 2011-2024 | GMC | Sierra 2500 HD | Denali |
| 2024-2024 | GMC | Sierra 2500 HD | Denali Ultimate |
| 2024-2024 | GMC | Sierra 3500 HD | Denali Ultimate |
| 2015-2024 | Chevrolet | Silverado 3500 HD | High Country |
| 2015-2024 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2024 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2024 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2024 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2024 | Chevrolet | Silverado 3500 HD | LTZ |
| 2022-2024 | GMC | Sierra 2500 HD | Pro |
| 2022-2024 | GMC | Sierra 3500 HD | Pro |
| 2011-2024 | GMC | Sierra 3500 HD | SLE |
| 2011-2024 | GMC | Sierra 2500 HD | SLE |
| 2011-2024 | GMC | Sierra 3500 HD | SLT |
| 2011-2024 | GMC | Sierra 2500 HD | SLT |
| 2011-2024 | Chevrolet | Silverado 3500 HD | WT |
| 2011-2024 | Chevrolet | Silverado 2500 HD | WT |
| 2024-2024 | Chevrolet | Silverado 2500 HD | ZR2 |
| 2015-2021 | GMC | Sierra 2500 HD | Base |
| 2015-2021 | GMC | Sierra 3500 HD | Base |
| 2011-2019 | GMC | Sierra 2500 HD | Denali |
| 2011-2019 | GMC | Sierra 3500 HD | Denali |
| 2015-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2015-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
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
4.6 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Really supportive, comfortable pillows, great value.
Size: Queen Size(2 Pack)
When I received these pillows, I followed the directions to fluff them. They were delivered vacuum packed. The first night I slept on them, I didn’t remove any of the filling. That was a problem because the pillows are so over stuffed that it was difficult to sleep on them. I was disappointed until I removed about 1/3 of the filling. Doing so made all of the difference. These pillows are very nice. They keep their shape during the night and provide excellent support for my neck and head. They don’t flatten out or separate like regular shredded foam pillows.
They are well made with an outer cooling cover as well as a inner zippered cover for the foam.
I love the fact that these pillows are adjustable. I saved the foam I removed in the zippered bag the pillows arrived in, in case I needed to restore the foam in the future. They are a very good value for the money.
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Reviewed in the United States on October 25, 2025
★★★★★ 4
Not cooling throughout the night
Size: Standard Size(1 Pack)
The quality of the pillow was great the stitching as well. The one side did feel cool, but it did not last throughout the evening. Also, it was too thick for my neck and caused me headaches. The phone pieces that are inside made me concerned that after time they would flatten and the pillow would get firm. I am a hot sleeper and I expected it to stay cool longer than two hours. Because of that I returned it, but if you like thick pillows, and you’re not a hot sleeper, it may work for you.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Fantastic I highly recommend him
Size: Queen Size(2 Pack)
We have had these pillows for over a year. I can honestly tell you I absolutely love them. They are cool and extremely comfortable. I like them so much I bought a second set for our camper.
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Reviewed in the United States on June 4, 2026
★★★★★ 3
Decent pillow
Size: Standard Size(1 Pack)
Nice pillow. When first opening it you fluff it and put it in the dryer for about 10 minutes, comes out exactly how I like my pillows, firm but has a little bit of softness. Used this pillow for several nights now. Holds it's shape at the start of the night, but when I wake up its sorta flat and had a smashed feel to it. Fluffs back to it's original size and shape. Just wish it was more dense with about 1/4 to 1/2 more foam inside. Would probably help firm it up and hold it's shape better.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Firm and dense to the Extreme!!
Size: Queen Size(2 Pack)
I love my pillows, extremely firm and also extremely dense. I hate when a pillow gets worn down in the middle after like a few weeks or a month and then you’re struggling to get it full again. It’s absolutely impossible.
When I got these pillows, it said that it might take 24 hours for them to fully enlarge. I enrolled them and took a look at this flat thin thing and I thought, oh my God, I made a huge mistake in ordering these. Went into the kitchen, made some dinner after dinner went into my bedroom and holy moly, these pillows were massive. I was so excited and I couldn’t wait to sleep on them.
Now mind you, I am a side sleeper, so that’s why I like a very full and firm pillow. I do love how full they are, however, it was a little much. Luckily, you can unzip them and take some of the filling out.
A little tip is to keep the little zipped bag they give you and you can put some extra filling in there and zip it and if you ever want to fill it back up, it’s easy. I took about 15% of the filling out of each pillow which to me was perfect, but I could see people wanting to take much more out. I love that you have the option of taking it out and putting it back in if you ever need to, but I don’t think you’ll need to because these pillows will never get squishy or flat. I love these pillows so much that I don’t know if I could ever exist without them. Please never discontinue these because if I ever need to get another set, I want them available.
Best pillows I’ve ever had in my entire life. Period!
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Reviewed in the United States on December 15, 2025
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