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Your cart is empty.National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today's vehicles.
Thomas Wiley
Reviewed in the United States on May 30, 2024
Like
Customer
Reviewed in the United States on May 17, 2024
Thanks
S
Reviewed in the United States on November 7, 2024
No issues, work as it should on 6.0 LS
Rusty
Reviewed in the United States on January 4, 2024
Installed great also works great
shinystones
Reviewed in the United States on April 13, 2020
Still doing it's job great. This is a good product.
Joseph A. Mazzei
Reviewed in the United States on September 20, 2019
spend the money by this seal
Eric V
Reviewed in the United States on April 25, 2016
Used this to reseal the timing cover on my LS1 for my C5. Replaced the original seal perfectly, and installed easily. No oil leaks since then.
Chris
Reviewed in the United States on March 27, 2015
Fixed my front main seal issue, no issues.
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