The Cometic Ford Boss 302 .084in MLS Cylinder Head Gasket - 4.155in Bore - C5961-084 is a precision-engineered head gasket with a 4.155" bore and .084" 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: 4.155"
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Thickness: .084" compressed
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Part Number: C5961-084
Verified fitment: Ford Mustang (1969–1971); Mercury Cougar (1969–1970).