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Description
Bilstein 25-335897 B8 8100 Series ZoneControl R Shock AbsorberThe Bilstein 25 335897 B8 8100 Series ZoneControl R Shock Absorber is an upgraded replacement shock for your Ram 2500 6. 7L Diesel 4WD (Front right) Lifted 2 2. 5". This reservoir shock features a shock body with a 2. 65" outside diameter and an 18mm piston rod that provides brute tensile strength while reducing internal gas force ramp up providing a smoother ride. The 60mm digressive piston delivers exceptional comfort without sacrificing control and
The Bilstein 25-335897 B8 8100 Series ZoneControl R Shock Absorber is an upgraded replacement shock for your Ram 2500 6.7L Diesel 4WD (Front right) Lifted 2-2.5". This reservoir shock features a shock body with a 2.65" outside diameter and an 18mm piston rod that provides brute tensile strength while reducing internal gas force ramp-up providing a smoother ride. The 60mm digressive piston delivers exceptional comfort without sacrificing control and offers a greater range of tunability. The ZoneControl R technology removes the need for an external limit strap by incorporating a double piston design offering 2 stages of rebound valving and stopping harsh suspension top-out events.
Specifications:
Collapsed Length: 14.65"
Extended Length: 22.99"
Collapsed Length: 372.2 mm
Extended Length: 584.0 mm
Finish: EVO Grey
Reservoir: Yes
Body Design: Smooth Body (Non-Coilover)
Body Diameter (ID): 60mm
Spring Seat Included: No
Adjustable Damping: Non-Adjustable
Features:
- Made In The USA
- Direct Fit Replacement
- Rebuildable & Revalvable
- 2.65" OD Shock Body & Reservoir
- Billet Reservoir Mount Solution Included
- Vehicle-Specific Shock Tuning Provides An Optimum Ride & Handling Experience
- Billet Rod End With Vulcanized Mounts For An Exact OE Fit & Long Term Durability
- 60mm Remote Reservoir Offers Increased Oil Capacity For Consistent Performance Over Rough Terrain
- 18mm Piston Rod Provides Brute Tensile Strength & Reduces Internal Gas Force Ramp-Up Providing A Smoother Ride
- 60mm Large Bore Digressive Piston Offers A Greater Range Of Tunability & Delivers Exceptional Comfort Without Sacrificing Control
- ZoneControl R Technology Eliminates Harsh Suspension Top-Out Events & The Need For An External Limit Strap By Incorporating A Double Piston Design Offering 2 Stages Of Rebound Valving
Specifications:
Collapsed Length: 14.65"
Extended Length: 22.99"
Collapsed Length: 372.2 mm
Extended Length: 584.0 mm
Finish: EVO Grey
Reservoir: Yes
Body Design: Smooth Body (Non-Coilover)
Body Diameter (ID): 60mm
Spring Seat Included: No
Adjustable Damping: Non-Adjustable
WARRANTY INFO:
2 Year Limited
Note: For Models Without Air Leveling Suspension.
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
4.1 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Comfortable and stays cool
Color: White-cooling Basic, Size: Queen(Pack of 1)
Great pillow. When i opened it, i noticed a strange smell, i assumed its the smell of whatever they use to make the pillow stay cool. You have to fluff it for a good amount of time to make sure the cooling agent spreads well in the foam. Is what i assumed atleast. Its a perfect amount of softness for me. Pair it with some bamboo pillow cases and you got a good night of sleep
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Reviewed in the United States on May 9, 2026
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok.
One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable.
Overall, great quality, comfortable, and worth the purchase.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
BEST PILLOWS EVER!!!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I am very picky with my pillows because I have a bad neck and I can never seem to find a good pillow. But I tried this pillow because it had everything I was looking for and the price was great! You get two of them and they are absolutely awesome.! normally I would need to lay on two pillows to try and get comfortable but with these pillows I just lay on one and I wake up with no neck pain. They really have a nice cooling effect. They actually puff up immediately after opening them. All you have to do is just shake them up and the pillow just puffs straight up.. It comes with extra cushioning if you want it to make it firmer and if you don’t want it as firm as it is, you can actually take some out. It really is such a beautiful pillow. It’s perfect in every way to me being such a picky pillow person.
You just lay your head down on it and it forms around your neck and your head and when you get up, it goes right back to its normal form. It doesn’t get flat and I love it. I completely recommend this to anyone who is a person who has a hard time finding a really good pillow.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Top of the line, best pillows Ive ever had
Color: White-cooling Basic, Size: Queen(Pack of 2)
These pillows are top of the line! I bought them in 2024 and they are still fluffy. When they lose a little fluff, you just punch em around a little bit and voila, like new again. They have kept their shape cery well and do great for cooling. I haven't had to add more filling yet either. I just laid my head on one and thought, I need to do a review cause everytime i lay on these pillows its like clouds. My head is heavy and this is relief :-D
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Reviewed in the United States on May 21, 2026