Representative Image Nickson Exhaust Pipe Flange Gasket - EG24077 Part #: EG24077 Line: NIC Nickson Exhaust Pipe Flange Gasket Manufacturer's Defect Warranty Material: Fiber, Steel Style: Flat Inside Diameter (in): 2-7/16 Inch Outside Diameter (in): 3-1/16 Inch Bolt Hole Diameter (in): 7/16 Inch Number Of Bolt Holes: 2 Bolt Hole Center To Center (in): 3-1/4 Inch Number Of Port Holes: 1 Show More Show Less