MRG Pontiac 326-455 D-Port Pro Copper Header Gaskets (Set) MRG-7171MRG

Mr. Gasket CopperSEAL Header Gaskets are a high quality copper gasket that performs extremely well and are reusable. We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.

Manufactured from “Dead Soft” (solid) .043" thick copper material
.051" embossment around each exhaust port to seal irregular surfaces. Total gasket thickness .094"
Provides excellent sealing and durability
Conforms to and seals minor surface irregularities
For high performance street, drag race, oval track and turbocharged (extreme heat) applications