Remflex Chev LS7 LS9 L98 Exhaust Manifold Gaskets # REM2066Remflex Chev LS7 LS9 L98 Exhaust Manifold Gaskets # REM2066 Exhaust Header Gaskets, Graphite, D port, Chevy, 6. 0L, 6. 2L, 7. 0L, Pair Port Style: D port Gasket Material: Graphite Port Height (in): 1. 750 in. Port Width (in): 2. 000 in. Quantity: Sold as a pair. Remflex exhaust header gasket sets feature 100 percent flexible graphite construction that's effective up to 3,000 degrees F, far exceeding any vehicle's exhaust system temperature. They will