For K20Z3/K24 K Series Upper Coolant Housing W/ Straight Elbow Filler Neck HoseDescription: 100% Brand New, never been used The hose outlet on the housing pivots slightly, allowing approximately 15 degrees of angle adjustment. This is helpful when compared to the fixed the factory outlet that always seems to put the upper rad hose in the path of the intake piping. The optional filler neck that can be used to relocate the radiator cap to a higher point on the engine itself. The new location is the highest point of the cooling