Solid Contoured Backup Ring 8.000" x 8.375" x 0.076" - Nitrile

Marsoni

M251S

$15.28

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

Solid Contoured Backup Ring 8.000" x 8.375" x 0.076" - NitrileProduct Details : Solid Contoured Backup Ring 8. 000" x 8. 375" x 0. 076" Nitrile Part No: 8 369 N90 Product Category: O Rings Product Type: Solid Contoured Backup Ring Series: 8 XXX Dash No.: 369 Material(s): Nitrile Material Code: NBR Durometer: 90 Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: Inch Dimensions: 8. 000" x 8. 375" x 0. 076" Nominal I. D. (d) : 8. 000" Nominal O. D. (D) : 8. 375" Nominal Width (W): 0. 187" R: 0.

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We offer a 30-day return/exchange service after receiving.
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This product is AWESOME!! to be sure. The 3 sizes you will come to appreciate, as I did. They have some 'heft' to them, and the ribbed rollers are far superior to the flat rollers. I just finished installing sound/thermal mats 'under' the rear speaker shelf of my '71 spiffy GTO. Tomorrow, I expect to do under the rear seat, and I am sure happy that I have three different size quality rollers. Buy these, you can't go wrong.

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Reviewed in the United States on November 10, 2025

Verified Purchase

TDroyle

Belleville, US

★★★★★ 5

High quality tools

Size: 3 Pack

These are real nice. Pretty heavy and work well. Not some light weight junk tool. I’d definitely recommend these for ….. well I was sound deadening my car, but yes these were worth the money and will last me years if I ever have to get another set.

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Reviewed in the United States on January 6, 2026

Verified Purchase

Rob Allan

Battle Creek, US

★★★★★ 4

Good but maybe too narrow...

Size: 1 Pack

Buy a wider one. Functions ns well.

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Reviewed in the United States on January 5, 2026

Verified Purchase