The Cometic BMW M42B18/M44B19 .056in MLS Cylinder Head Gasket - 85mm Bore - C4348-056 is a precision-engineered head gasket with a 85mm bore and .056" 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: 85mm
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Thickness: .056" compressed
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Part Number: C4348-056
Verified fitment: BMW Z3 (1996–1998).