Spectre Header Gaskets for big block Chevy 396-454 engines with 1.9 inch by 2.0 inch square ports are made from compressed ceramic fiber. They will not deteriorate or crack from excessive heat or pressure. This part comes with 2 header gaskets. Spectre header gaskets are designed to stop header leaks by conforming to warped header flanges and manifolds.
- Fits a big block Chevy 396-454 engine with 1.9 inch by 2.0 inch square ports
- 2 gaskets are included
- Adapts to warped header flanges and manifolds to stop leaks
- Designed to handle high heat
- 1/16-inch thick