Cometic Chevy Big Block Gen 4/5/6 4.5in Bore .086 inch MLS-5 Head Gasket - C5634-086

The Cometic Chevy Big Block Gen 4/5/6 4.5in Bore .086 inch MLS-5 Head Gasket - C5634-086 is a precision-engineered head gasket with a 4.500" bore and .5" compressed thickness.

The Cometic 5-Layer Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring 5-Layer Multi-Layer Steel (MLS) construction, this gasket uses five embossed steel layers delivering exceptional clamping load distribution for high-output applications. 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: 5-Layer Multi-Layer Steel (MLS)
• Bore Size: 4.500"
• Thickness: .5" compressed
• Part Number: C5634-086