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The JBA premium header gasket pair for Chevrolet 4.8–6.2L LS round-port engines provides an extra-thick gasket material engineered for an exact port match with JBA headers. These gaskets handle exhaust pressures up to 3700 psig and are rated to 1100°F, offering robust sealing under high-temperature conditions. Their design supports reliable flange sealing for header installations where precise port alignment is required.
JBA Chevrolet 4.8-6.2L LS Round Port Header Gasket - Pair
