Abstract: A head gasket to be disposed between a cylinder head having a combustion chamber therein and a cylinder block having a cylinder therein with a combustion chamber located at least partially outside the diameter of the cylinder and with the chamber insert disposed in the head. The gasket comprises a metal core, resilient material on each side of the core and at least one cylinder opening. Metal inlays are fixedly secured to both sides of the core and extend completely about the cylinder openings. The inlays include integral extensions extending from the cylinder openings and in engagement with the metal core for engaging the chamber insert and cylinder block to perfect a seal therebetween.