Replacement LSXR 102mm intake port seal intended for LS3/L76/L92/L99 applications. This gasket is designed to seal between the LSXR 102mm intake manifold and an LS3 rectangular‑port cylinder head. Sold as a single seal, it provides the correct interface for FAST LSXR 102mm intake hardware when matching to compatible rectangular port heads.
FAST Replacement Intake Port Seal