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JBA premium header gasket for Chrysler 5.7L Gen III Hemi square ports. This pair seals the header flange to help prevent leaks and support proper exhaust flow during header installation, backed by JBA fitment standards. Built extra thick from a specially formulated gasket material for exact port matching with JBA headers; rated for exhaust pressures up to 3700 psig and temperatures to 1100°F.
JBA Chrysler 5.7L Gen III Hemi Square Port Header Gasket - Pair
