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Description
Bilstein 25-287820 B8 8100 Series Shock Absorber (Bypass)Upgrade the rear shocks on your Jeep Wrangler JL with the Bilstein 25 287820 8100 Series Shock Absorber from GAP. Bilstein B8 8100 reservoir shock absorbers are a large bore 60mm direct fit solution for lifted trucks and SUVs. Constructed from aerospace quality billet components, the large 60mm ID shock body offers a higher oil volume capacity to control heat while tackling rough road surfaces over long distances. Each B8 8100 offers a unique remote
Upgrade the rear shocks on your Jeep Wrangler JL with the Bilstein 25-287820 8100 Series Shock Absorber from GAP. Bilstein B8 8100 reservoir shock absorbers are a large bore 60mm direct fit solution for lifted trucks and SUVs. Constructed from aerospace quality billet components, the large 60mm ID shock body offers a higher oil volume capacity to control heat while tackling rough road surfaces over long distances. Each B8 8100 offers a unique remote or piggyback reservoir solution for an easy, hassle-free installation. These shock absorbers feature a monotube design for consistent fade free performance and utilize velocity sensitive digressive valve settings which are tuned for each specific application. The large 60mm piston design offers more comfort and control in all driving conditions. The Bilstein B8 8100 will allow you to tame the terrain in comfort.
Specifications:
Part Number: 25-287820
Series: 8100 Series
Position: Rear
Quantity Per Vehicle: 1
Finish: Zinc Plated
Reservoir: Yes
Body Design: Bypass Body (Non-Coilover)
Body Diameter: 60mm
Spring Seat Included: No
Adjustable Damping: Double Adjustable - Compression and Rebound
Measurements:
Collapsed Length (IN): 19.49
Extended Length (IN): 32.01
Collapsed Length (MM): 495.0
Extended Length (MM): 813.0
Specifications:
Part Number: 25-287820
Series: 8100 Series
Position: Rear
Quantity Per Vehicle: 1
Finish: Zinc Plated
Reservoir: Yes
Body Design: Bypass Body (Non-Coilover)
Body Diameter: 60mm
Spring Seat Included: No
Adjustable Damping: Double Adjustable - Compression and Rebound
Measurements:
Collapsed Length (IN): 19.49
Extended Length (IN): 32.01
Collapsed Length (MM): 495.0
Extended Length (MM): 813.0
WARRANTY INFO:
2 Year
Note: For Rear Lifted Height: 3-4.5"
*Lift Height is suggested by mfg. Due to the many different aftermarket suspension systems it is recommended that a measurement is taken for proper application. A pin to eye shock is measured from the base of the stem where the mounting hardware rests to the center of the eyelet. Shock Absorbers sold individually.
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 1271 reviews
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Product Reviews
★★★★★ 5
Made well. Quality product.
Size: 9.25 Inch, Number of Items: 6
Great quality, very sturdy. Bought and tried others that were inferior. Will be purchasing more of these.
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Reviewed in the United States on September 21, 2025
★★★★★ 5
Sturdy, great quality!
Size: 7.25 Inch, Number of Items: 6, Size: 7.25 Inch, Number of Items: 6
The brackets were exactly what I had in mind, and at a much more affordable price than Home Depot. They are sturdy and look amazing!
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Reviewed in the United States on March 20, 2024
★★★★★ 4
Nice brackets
Size: 11.25 Inch, Number of Items: 8, Size: 11.25 Inch, Number of Items: 8
The brackets look great and fit a 1x12 board perfectly. They've been installed for a few days and seem to be sturdy.
So far, the only negative is the hardware, as other reviewers have mentioned. Initially, I had some trouble locating the stud and decided to use the drywall anchors. I got one bracket installed and the anchor was already pulling out of the wall.
Overall, I think the brackets are great, but just use your own screws and drywall anchors (if needed).
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Reviewed in the United States on February 11, 2023
★★★★★ 5
Strong brackets
Size: 9.25 Inch, Number of Items: 8
Solid and sturdy.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Well made. Sturdy.
Size: 7.25 Inch, Number of Items: 6, Size: 7.25 Inch, Number of Items: 6
I bought these for an alcove. The brackets came in great condition. I didnt notice any scratched.
Mounting… the brackets are not centered on the wall, but are centered on the studs. I cant do anything about the stud placement.
I bought a 2x8x10 board and cut it into 40 in sections. After placing the brackets on the wall the boards fit beautifully in place. (I used the long stud screws that came with the brackets)
I havent screwed the boards to the wall (those screws also included) and may not. I like being able to pull a board out and run cables behind, if needed. I think the boards are sturdy enough that I wont have an issue with tipping, since the right most stud is at the corner of the wall.
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Reviewed in the United States on September 13, 2022