Cometic GM SB2-2 350/400 4.125 inch Bore .036 inch MLS Head Gasket with Steam Holes - C5321-036

The Cometic GM SB2-2 350/400 4.125 inch Bore .036 inch MLS Head Gasket with Steam Holes - C5321-036 is a precision-engineered head gasket with a 4.125" bore and .125" 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.

• Material: Multi-Layer Steel (MLS)
• Bore Size: 4.125"
• Thickness: .125" compressed
• Part Number: C5321-036