The Cometic Mazda B6 16V 89-93 Exhaust .030 inch MLS Head Gasket 1.765 inch X 1.020 inch Port - C4165-030 is a precision-engineered head gasket with a compressed thickness of .030".
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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Thickness: .030" compressed
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Part Number: C4165-030
Verified fitment: Mazda 323 (1989–1993); Mazda MX 3 (1992–1993); Mazda Miata (1990–1993).