99-04 4.6L UPPER INTAKE MANIFOLD.

THIS INTAKE MANIFOLD IS A DIRECT-FIT OE REPLACEMENT WITHREINFORCED ALUMINUM COOLANT CROSSOVERS THAT MEAN NO MORE REPEAT FAILURES DUE TO CORROSION AND VIBRATION, AND INTEGRATED SILICONE GASKETS MEAN FEWER LEAK PATHS AT THE CYLINDER HEADS AND THROTTLE BODY. THESE INTAKES ALSO HAVE THICKER WALLS AND IMPROVED FILLET DESIGN TO PREVENT WARPING AT GASKET SURFACES.