Modular Backup Ring (MB) 7.000" x 8.000" x 0.500" - Polyurethane

Marsoni

M251S

$174.32

Get it in 3 business days with 1 day shipping. Friday, May 29

Modular Backup Ring (MB) 7.000" x 8.000" x 0.500" - PolyurethaneProduct Details : Modular Backup Ring (MB) 7. 000" x 8. 000" x 0. 500" Polyurethane Part No: 50007000MB 4617 Product Category: Symmetrical Seals Product Type: Modular Backup Ring Profile: MB Material(s): Polyurethane Material Code: AU Durometer: 65D Temperature Range: 65F to +250F ( 54C to +121C) Pressure Range: 7000 PSI ( 483 Bar) System Of Measurement: Inch Dimensions: 7. 000" x 8. 000" x 0. 500" Nominal I. D. (d): 7. 000" Nominal O. D. (D): 8. 000"

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I applied Silex sound deadening material to the rear interior of a Ford Maverick truck cab. Lots of narrow areas, and lots of curved surfaces. This set was a must to properly apply the mats to the metal surface. There were places that I had to push down with my fingers due to obstacles like seat belt mounts, but I could tell that I was not getting the same results as I was with the crimped rollers.

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Reviewed in the United States on May 5, 2026

Verified Purchase

Mike

Lake Worth, US

★★★★★ 5

Works great for sound deadening install!

Size: 3 Pack

I recently put Kilmat in my van I am converting. I thought I wouldn't need to get rollers to install the sound deadening mat in my van but I ordered these anyway. Why not, 3 rollers under $20.00 and I could return them if I didn't like them. Well I ordered this roller set. I was able to put the mat on and smooth it with my hands but these rollers really helped flatten out the sound mat to get better adhesion, especially where I overlapped the seems. The rollers were more necessary than I thought. They are very sturdy and work well. They do not feel cheap and I actually liked them quite a bit. The rollers have smooth function and leave little lines in the mat where I used them. This was very handy as it let me know where I had already used them. It was nice having 3 sizes. The big roller did not fit in some of the curved areas, so I used the smaller rollers. These will work well with sound mat that is thicker than the Kilmat as well. If you are installing sound deadening mat, you should purchase these. I saw other rollers that were more money and didn't have multiple sizes. This was a good purchase. I will try to add a picture to help with visualization purposes soon.

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Reviewed in the United States on December 9, 2025

Verified Purchase

Jerry Williams

West Palm Beach, US

★★★★★ 5

Dyna mat soundeding rollers

Size: 3 Pack

Great product got to use them last night they all worked great , excellent bearing for smooth fast rolling , only issue i had was Amazon delivered to the wrong apartment Again !

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Reviewed in the United States on June 6, 2026