I own a 1971 dodge challenger 440 six pack { no not original came with a 383 magnum] I use original hi po exhaust manifolds. they got old and are warped and I had to replace regular gaskets about once a year..The remflex gaskets sealed them up with no leaks been on there two years now still no leaks. I love these remflex gaskets would tell every one to buy them because they work. thank you remflex. jack s
Verified purchase: Yes | Condition: New
I saw many posts on what people are using and this product is what they said to use.
Verified purchase: Yes | Condition: New
These are the best header gaskets available. Solved all the leaking problems after all these years of every kind of gasket on the market, including copper.
Verified purchase: Yes | Condition: New
Remflex makes the best exhaust gaskets hands down, never had a exhaust leak when using Remflex.
Verified purchase: Yes | Condition: New
Went though 4 sets of inexpensive header gaskets in a year and a half. These Remflex gaskets crush down and keep the header bolts tight. Very happy with them. Plymouth 440.
Verified purchase: Yes | Condition: New
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