Compare Maximum number of 4 items selected Representative Image Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket - C5639-089 Part #: C5639-089 Line: CMT Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket Manufacturer's Defect Warranty Type: Head Gasket Bore (in): 4.530 Inch Location: Cylinder Head Head Gasket Material: Multi-Layer Steel (MLS) Engine Make/Size: GM/Mercury Marine Gen-IV Big Block Head Gasket Thickness (in): 0.089 Inch Show More Show Less