Representative Image Nickson Catalytic Converter Gasket - EG24855 Part #: EG24855 Line: NIC Nickson Catalytic Converter Gasket Manufacturer's Defect Warranty Material: Graphite, Steel Style: Flat Inside Diameter (in): 2 Inch Outside Diameter (in): 3-3/16 Inch Bolt Hole Diameter (in): 7/16 Inch Number Of Bolt Holes: 2 Bolt Hole Center To Center (in): 3-1/2 Inch Number Of Port Holes: 1 Show More Show Less