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Your cart is empty.Mr. Gasket - 5911 Ultra-Seal Header Gaskets Bb Chev
Kane
2025-08-01 10:46:31
Good header gaskets. 1.92 diameter hole. Great for 2 inch primary headers.
RT
2025-07-17 17:34:37
I was between these and copper/aluminum gaskets, the deciding factor was port dimensions. When using basic round headers on square port big block check heads (1974 454 in my case) the 5911 gasket is the single best fit to adapt the two shapes. They sealed great, but dont expect to re-use them, once the get compressed, they typically leaked if you remove the header and try to re-use these. Also, with these you can cheat with some permatex ultra copper silicone.
Wayne Mitchell
2025-06-17 12:38:45
What i liked was that this product fit perfectly to my needs.
Cait
2025-05-06 20:51:03
It was the correct size
Ted D. Drag
2025-02-28 10:13:50
Installed and for correctly
Sherry B.
2024-12-20 18:53:26
We purchased these for a customers car repair, out of stock at Summit Racing, did what they were supposed to do would recommend.
Danny G.
2024-12-11 11:25:55
Great.
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