Best in 7 days
![Lees Tackle Release Clips - Pair [RK2202BK]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/72820XL.jpg?v=1591357435)
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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
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Description
GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2]Backing Block for 1 1 4" & 1 1 2" Seacocks Features: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange Rigid 1 2" thickness provides secure installation but is flexible enough to conform to minor hull curvature Will not swell or absorb moisture Made from an environmentally friendly PVC foam specially formulated for marine applications Specifications:
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
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Best in 7 days
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![Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/73277XL.jpg?v=1591359655)
Best in 7 days
4.2 ★★★★★
Based on 1742 reviews
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Product Reviews
★★★★★ 5
Does the job well
Style: 37.1 sqft（34 pcs）, Material Type: Aluminum 197 mil
Really nice quality. There are strings woven into the top along the foil. Easy to work with. The backing peels off smooth and usually in one piece. Great value
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Reviewed in the United States on December 25, 2025
★★★★★ 5
Great and light!
Style: 30 pcs
Worked out great. Good stuff and sound deadens the vehicle without adding a ton of weight.
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Reviewed in the United States on June 3, 2026
★★★★★ 4
Buy this!!!!
Style: 30 pcs
Very thick and effective. Sticks well too. Great buy
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Reviewed in the United States on May 30, 2026
★★★★★ 5
This stuff works!
Style: 30 pcs
The heat blocking is amazing with this product
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Reviewed in the United States on May 31, 2026
★★★★★ 1
Garbage quality
Style: 30 pcs
Absolutely no rigidity/stiffness. Basically just a piece of foam. Not even close to a good quality sound deadening product. Whole box of 30 pieces weighs less then 1 piece of what i usually use. If you want quality sound deadening, do not waste your time and money on this product
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Reviewed in the United States on June 8, 2026
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