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Kooks 5.4L/5.8L Shelby GT500 header flange is a 3/8 inch thick 304 stainless steel flange with stock bolt pattern and oval ports sized for 2 inch primaries. Sold individually, this flange is made to the OEM bolt pattern for Shelby GT500 header assemblies and supplies a durable stainless interface for header construction or replacement.
Kooks Ford 5.4L/ 5.8L 4V 2in Ford 5.4L/ 5.8L 5/16in Thick SS Flange
