Product Description Specifications This gasket is designed to provide a seal between the LSXR 102mm intake manifold and LS1, LS6 and LS7 cylinder heads. CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Intake Manifold Plenum Core: N LTL: N MPN: 146203-1 Proposition 65: N Special Order: Y