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Perforated Steel Exhaust Gasket Set FE1415 Product:Suit SB Ford 289-351W, Small Race Port 1.25" x 1.48" Gloss Blue 45° Silicone ReducerSB FORD WINDSOR EXHAUST GASKETS STEEL CORE 1. 25 X 1. 48 SBF FELPRO 1415 FE1415 1415 Fel Pro performance exhaust header gaskets feature a perforated steel core with anti stick coating to stand up to the extreme temperatures and heat cycles found in performance and race engines