Cometic Jaguar 3.8L XK6 .059in CFM-20 Cylinder Head Gasket - 89mm Bore - C4125-059

The Cometic Jaguar 3.8L XK6 .059in CFM-20 Cylinder Head Gasket - 89mm Bore - C4125-059 is a precision-engineered head gasket with a 89mm bore and .059" 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: 89mm
• Thickness: .059" compressed
• Part Number: C4125-059

Verified fitment: Jaguar Mark 2 (1960–1968); Jaguar Mark IX (1959–1961); Jaguar Mark X (1962–1964); Jaguar XK150 (1958–1961); Jaguar XKE (1961–1964).