Cometic Lotus Twin-Cam .043in CFM-20 Cylinder Head Gasket - 84mm Bore - C4100-043

The Cometic Lotus Twin-Cam .043in CFM-20 Cylinder Head Gasket - 84mm Bore - C4100-043 is a precision-engineered head gasket with a 84mm 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: 84mm
• Thickness: .043" compressed
• Part Number: C4100-043

Verified fitment: Lotus Elan (1962–1975); Lotus Europa (1968–1975); Lotus Seven (1969–1975).