Remflex Exhaust Header Gasket Ford, 4.6L, 5.4L, Pair # REM3022Remflex Exhaust Header Gasket Ford, 4. 6L, 5. 4L, Pair # REM3022 Exhaust Header Gaskets, Graphite, Round Port, Ford, 4. 6L, 5. 4L, Pair Port Style: Round Gasket Material: Graphite Port Height (in.): 1. 563 Port Width (in.): 1. 563 Thickness (in.): 0. 125 Quantity: Sold as a pair. Notes: Suggested torque is 20 ft. lbs. Remflex Exhaust Header Gasket Sets Remflex exhaust header gasket sets feature 100 percent flexible graphite construction that's