LT1 Percy’s High Performance XX Carbon Header/Manifold Gaskets (D-port – 1.375″)

These gaskets are designed to give the performance you expect at a prive you can afford. These XX Carbon gaskets are made of Percy’s proprietary 100% carbon felt material on a steel core; nothing to burn out…

This material withstands long term exposure to over 2000°F; this makes for a long life gasket! The XX Carbon line of gaskets offer superior sealing ability even on the worst flange surfaces. These gaskets are perfect for even nitrous, turbo and blower motors.