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Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
Fox Piston: (T) Damping [Ø 1.834 Bore, Ø 0.030 Bleed Hole, Ø 0.502 ID, Four Port

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
4.3 ★★★★★
Based on 2214 reviews
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Product Reviews
★★★★★ 5
Sound Barrier
Style: Tech Pack 28 sqft
Easy to install and work with
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
Good buy.
Style: Tech Pack 28 sqft
Perfect amount for small suv. Easy to install once panels are off. Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
★★★★★ 5
Passively quiet your cars interior!
Style: Tech Pack 28 sqft
This stuff is the industry standard! Does exactly what it is supposed to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 29, 2025
★★★★★ 5
High quality product
Style: Tech Pack 28 sqft
Great product, very easy to work with. Stopped the rattling, definitely sticks when rolled to panels.
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Reviewed in the United States on September 28, 2025
★★★★★ 3
Generally happy
Style: Tech Pack 28 sqft, Style: Tech Pack 28 sqft
Much thinner than I expected, but installation went better than I'd thought it would. Needed to line the interior of the engine cover of a Ford E450 RV. Tried nitrile gloves, but they stuck to the material so did it bare handed. Cut easily with a fresh razor blade. Pressed in place with a plastic putty knife. We'll see the effectiveness on the next trip.
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Reviewed in the United States on July 3, 2025
![Fox Body: (T) [Ø 1.834 Bore, Ø 1.010 Eyelet Bore, 13.100 Depth] Al 6061, Clear A](https://cdn.shopify.com/s/files/1/0920/6123/7558/files/fox_236de80e-1f38-4456-9621-3ec5b118133d.jpg?v=1755454675)
![Fox Body: (T) [Ø 1.834 Bore, 11.200 Bore Depth, 11.650 TLG] Al 6061, Clear Ano I](https://cdn.shopify.com/s/files/1/0920/6123/7558/files/fox_95600c03-a1d0-4d8e-8455-54f870dcf25a.jpg?v=1755453766)
![Fox Body: (T) [Ø 2.250 Bore, 12.900 TLG] Al, Clear Ano III, V2 O-Ring Gland, UNS](https://cdn.shopify.com/s/files/1/0920/6123/7558/files/fox_2cefb270-a703-4b2a-836c-ee22b04084a3.jpg?v=1755453401)
![Fox Body: (T) [Ø 1.834 Bore, 5.000 TLG] Aluminum 6061-T6, V2 O-Ring Gland, Clear](https://cdn.shopify.com/s/files/1/0920/6123/7558/files/fox_71ba0d8b-40fa-4a4b-97f4-6007d164bfd6.jpg?v=1755453501)
![Fox Body: (T) [Ø 1.834 Bore, 12.900 Bore Depth, 13.350 TLG] Al 6061, Clear Ano I](https://cdn.shopify.com/s/files/1/0920/6123/7558/files/fox_87ae20d3-48d2-4656-b3cc-19d8265f3a0e.jpg?v=1755453828)