Cometic GM LSX LHS 4.15in Bore .040 inch MLX 4 Layer Head Gasket - C5703-040

The Cometic GM LSX LHS 4.15in Bore .040 inch MLX 4 Layer Head Gasket - C5703-040 is a precision-engineered head gasket with a 4.165" bore and .15" compressed thickness for the Left-Hand Side (LHS).

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.

• Material: MLX Multi-Layer Steel (MLS)
• Bore Size: 4.165"
• Thickness: .15" compressed
• Position: Left-Hand Side (LHS)
• Part Number: C5703-040