Representative Image Nickson Catalytic Converter Gasket - EG24344 Part #: EG24344 Line: NIC Nickson Catalytic Converter Gasket Manufacturer's Defect Warranty Material: Steel Style: Flat Inside Diameter (in): 2-1/4 Inch Outside Diameter (in): 3-3/8 Inch Bolt Hole Diameter (in): 1/2 Inch Number Of Bolt Holes: 2 Bolt Hole Center To Center (in): 4-1/4 Inch Number Of Port Holes: 1 Show More Show Less