Cometic 75-87 Buick V6 196/231/252 Stage I & II 3.86 inch Bore .066 inch MLS-5 Head Gasket - C5691-066

The Cometic 75-87 Buick V6 196/231/252 Stage I & II 3.86 inch Bore .066 inch MLS-5 Head Gasket - C5691-066 is a precision-engineered head gasket with a 3.860" bore and .86" 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: 3.860"
• Thickness: .86" compressed
• Part Number: C5691-066