These Kooks Stahl-style small block Chevy header gaskets fit Stahl 23-degree cylinder heads with a 7-bolt pattern and are a multi-layer aluminum-style replacement gasket. Intended as a direct replacement for damaged or lost header gaskets, they match Stahl port geometry. Kooks notes U.S. manufacturing, and the brand offers a limited lifetime warranty to the original purchaser on qualifying products.
Kooks SB Chevy Stahl Outer 23deg Aluminum Gaskets