This Chevy small block header gasket is designed for the stock 1.50 inch round port setup. Spectre's gaskets are made from compressed ceramic fiber (CCF) for durability, and offer a 1/8 inch thickness that can help provide superior sealing with even, uneven or slightly warped header flanges.
For stock 1.50 inch diameter round port setup
Premium 1/8 inch thickness
Made from (CCF) compressed ceramic fiber
Designed to conform to warped header flanges
Can help stops header leaks