K24 Upper Coolant Housing w/o Filler Neck - Includes Hose End and 16AN (OEM Angle) 2003 Infiniti QX4 It is rated for -55°

It is rated  for -55° C to 150° C (-67° F to 320° F)

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K24 Upper Coolant Housing w/o Filler Neck - Includes Hose End and 16AN (OEM Angle) 2003 Infiniti QX4 It is rated for -55°Applications: K20Z3 K24 heads Features: * 16OR (O Ring) and Hose End 1. 25 Note: * Will NOT work with K24Z and K24Y Series Engines * Will NOT work with K24A1 * May Have fitment issues with turbos depending on size of turbo and manifold * Rad cap is not included * There is fitment issues with the K20 Upper Coolant Housing and Jackson Racing Supercharger Here is the K Tuned Upper Coolant Housing. With applications for both K20 and K24 engines, these