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Kooks Ford 5.4L/5.8L GT500 header flange for 1-7/8" primaries, 3/8" thick 304 stainless steel, sold per bank. This flange features the stock bolt pattern and oval ports to match 1-7/8" primaries, providing a durable, serviceable mounting surface for Shelby-style header builds and repairs where OEM-style flange fitment is required.
Kooks Ford 5.4L / 5.8L 4V 1 7/8in SS 5.4L Shelby Flange (Bank)
