The Cometic Ford 4.6L Modular V8 .054in MLX Cylinder Head Gasket - 94mm Bore - SOHC - 3-Valve - RHS - C15557-054 is a precision-engineered head gasket with a 94mm bore and .054" compressed thickness for the Right-Hand Side (RHS).
The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. 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: MLX Multi-Layer Steel (MLS)
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Bore Size: 94mm
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Thickness: .054" compressed
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Position: Right-Hand Side (RHS)
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Part Number: C15557-054
Verified fitment: Ford Mustang (2005–2009).