Interchanges with the Victor Reinz (Mahle) B31585. ES71213 FelPro 5.4L 2V Aluminum Water Crossover Tube Lower 2PC Gasket Set -. These are high quality, high temperature rubber o-ring gaskets that seal the aluminum crossover tube to the Ford plastic OEM intake manifold on many Ford trucks using the 5.4L SOHC 2V engine.