K Series Upper Coolant Housing W Straight Elbow Filler Neck Hose K20Z3 K24 16ANApplications: K20Z3 and most K24 heads (Excluding K24A1) Note: Designed to provide greater clearance for sidewinder style turbo manifolds. Here is the MadDogPerformance Upper Coolant Housing. With applications for both K20 and K24 engines, these housings will provide several unique advantages over the stock units. The hose outlet on the housing pivots slightly, allowing approximately 15 degrees of angle adjustment. This is helpful when compared to the