Doug's premium header flange gaskets are made extra thick from specially formulated gasket material. Out gaskets are rated up to 1100 degrees F and handle exhaust pressures up to 3700 psig (255 bar). Each gasket is designed for exact port match to out Doug's headers. Sold in pairs. Extra thick, specially formulated material Rated up to 1100 degrees F Can handle exhaust pressures up to 3700 psig (255 bar) UPC 694342518820 Brand Name Patriot Manufacturer Patriot Exhaust Item Type Name Header Gasket Ford Pair 6.8L V-10 2V (99-04) Global Trade Identification Number 00694342518820