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The JBA premium header gasket pair for Chevrolet 4.8–6.2L LS D-port engines is an extra-thick flange gasket formulated for an exact D-port match with JBA headers. Rated to withstand exhaust pressures up to 3700 psig and temperatures up to 1100°F, the gasket offers durable sealing for header installations. It provides a reliable interface between header flange and cylinder head under demanding conditions.
JBA Chevrolet 4.8-6.2L LS D-Port Header Gasket - Pair
