Cometic C15689-060 Intake Manifold Gasket Set for Chevrolet Big Block Mark IV Gen V/VI

The Cometic C15689-060 is a high-performance intake manifold gasket set engineered for Chevrolet Mark IV and GM Gen V/VI Big Block V8 engines. These gaskets feature a .060-inch fiber construction that provides excellent sealing properties and durability under high-heat conditions.

Key Specifications:

• Port Configuration: Rectangle port design
• Port Dimensions: 1.835 inches x 2.578 inches
• Gasket Thickness: .060 inch fiber material
• Application: Chevrolet Mark IV, GM Gen V/VI Big Block V8 engines

Cometic gaskets are manufactured using advanced materials and precision die-cutting technology to ensure consistent port alignment and superior sealing performance. The fiber composite construction offers excellent conformability to deck surfaces while resisting blowout under demanding operating conditions. This gasket set provides a reliable seal between the intake manifold and cylinder heads for improved engine performance and longevity.