13B Cosmo/FD Lower Inlet Manifold(NO LONGER AVALIBLE) Xtreme Rotaries design.Most poupler lower intake manifold use in drag racingLowest hightWill fit E&J and ProJay 4 barrel throttle body'sXtreme Rotaries 13B FD 4 Barrel Lower Inlet ManifoldSKU: XR-13-FD-4BM$639.97PriceQuantityOut of StockNotify When Available