K-Tuned K24Z Upper Coolant Housing Straight Inlet w/o Filler Neck - Includes Hose End and 16AN - KUW-4ZS-N01Applications: K24Z Series Engines Features: * a 16OR (O Ring) Outlet and a 12OR (O Ring) Filler Inlet * Greater clearance for sidewinder turbo manifolds Note: * Excludes K24A1 and K24Y Series * Does not come with radiator, it is an optional item Here is the K Tuned Upper Coolant Housing. This applied to the K24Z Series engines, these housings will provide several unique advantages over the stock units. The hose outlet on the K Tuned housing pivots