The Cometic Lotus 4cyl 83mm Bore .040 inch MLS Head Gasket - C4103-040 is a precision-engineered head gasket with a 83mm bore and .040" compressed thickness.
The Cometic Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers that conform to surface irregularities and maintain a positive seal. 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.
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Material: Multi-Layer Steel (MLS)
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Bore Size: 83mm
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Thickness: .040" compressed
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Part Number: C4103-040
Verified fitment: Lotus Elan (1962–1975); Lotus Europa (1968–1975); Lotus Seven (1969–1975).