Header Primary Flange Gasket (between header and cylinder head)

K20A, K20A2, K20A3, K20Z1, K20Z3, K24A2, K24A4

Copper gaskets are suitable for high horsepower applications.

This copper gasket features an embossed O-ring around each exhaust port for increasing sealing, especially for flanges that are not 100 percent even.