Compare Flowtech Real-Seal Round Port Multi-Layer Steel (MLS) Exhaust Header Gasket - 99153 Part #: 99153 Line: FLT Flowtech Real-Seal Round Port Multi-Layer Steel (MLS) Exhaust Header Gasket 90 Day Limited Warranty Material: Multi-Layer Steel (MLS) Port Shape: Round Quantity: 2 Thickness (mm): 3.18mm Thickness (in): 0.125 Inch Port Size (in): 2.150 Inch Port Size (mm): 54.61mm Air Check Valve Included: No Engine Family: GM Big Block Collector Gaskets Included: No Flange Gaskets Included: Yes Show More Show Less
Compare Hooker Header Super Competition Rectangle Port Fiber Header Gasket - 10809HKR Part #: 10809HKR Line: HKR Hooker Header Super Competition Rectangle Port Fiber Header Gasket Manufacturer's Defect Warranty Material: Fiber Port Shape: Rectangle Quantity: 1 Thickness (in): 0.060 Inch Port Size (in): 1.850 X 1.800 Inch Air Check Valve Included: No Engine Family: GM Big Block Collector Gaskets Included: No Flange Gaskets Included: Yes Show More Show Less