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FAST replacement intake port seals are supplied as a set of eight for LS3/L76/L92/L99 rectangular port intake manifolds. These seals are intended to provide a reliable seal between the LSXR 102mm intake manifold and LS3-style rectangular port cylinder heads, helping prevent intake leaks during assembly. They’re specified for use where LS3 rectangular-port intake interfaces require dedicated replacement seals.
FAST Replacement Intake Port Seal LS3 - Set of 8
