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Your cart is empty.Specifications: Condition: New Manufacturer Part Number:PH306 Warranty:1 Year Surface Finish:COPPER / INLAY Brand: Aftermarket Features: 1.Fits for all SB Chevy 283-327-350-383-400 engines. 2.Made of copper. 3.Reusable, no sealant required. 4.Seal perfectly every time by creating a tight leak proof seal by using a clad o-ring design that will last. 5.Fits all SB Chevy engines oval port. 6.These gaskets provide an excellent seal & we guarantee it. 7.Package: Including all items in the picture.
RICK DANIELS
September 7, 2025
Quality meterials, well made
RanchItUpDude
September 4, 2025
Used these after installing longtube headers on my Suburban. Installed these March of 2023 and still have had no issues with leaks! The long tube headers came with a gasket that was not good quality at all but installed them anyways and after a couple hundred miles they formed a leak towards rear exhaust ports.After researching the best exhaust manifold/headers gaskets copper is one of the best gaskets to use due to being able to conform to the surface creating a tighter seal especially with headers and their high heat they can create. Also copper gaskets are generally reusable so that makes it better if I ever needed to remove the headers to do spark plugs in the future, although I don't need to remove them.Would purchase these over and over again!
Timmy Huffmeyer
August 27, 2025
Good product
Steve A
August 23, 2025
They bolted up easily and no exhaust leaks. ðŸ‘ðŸ¼
Anthony
August 17, 2025
They've been installed for a few months now on a daily and have been working great.
Ric K.
June 15, 2025
Fit well , holding up well
Joe Kool!
May 5, 2025
Very nice quality. seal exhaust very good.plus you can reuse them can not beat that! Thanks Joe
Joseph Leonard
February 13, 2025
Worked great on Chevy 350 with Hooker headers.
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