Cometic 65-67 Jag 4.2L Series-1 93mm .043 inch CFM-20 Head Gasket - C4338-043

The Cometic 65-67 Jag 4.2L Series-1 93mm .043 inch CFM-20 Head Gasket - C4338-043 is a precision-engineered head gasket with a 93mm bore and .043" compressed thickness.

The Cometic premium head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Built with Cometic's premium materials, this gasket meets or exceeds OEM specifications for durability and sealing performance. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.

• Bore Size: 93mm
• Thickness: .043" compressed
• Part Number: C4338-043

Verified fitment: Jaguar 420 (1967–1968); Jaguar Mark X (1964–1966).