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The JBA premium header gasket pair for Ford 390–428 16-bolt FE rectangle ports is made to match JBA header ports and supply a thicker flange sealing surface for reliable exhaust connections. Supplied as a pair to simplify replacement of worn gaskets. Fabricated from a specially formulated gasket material, these premium flange gaskets are rated for exhaust pressures up to 3700 psig and temperatures up to 1100°F for high-heat durability.
JBA Ford 390-428 16 Bolt FE Rectangle Port Header Gasket - Pair
