1、Application: Intake manifold coolant adapter is designed for Acura K20 K24 K Series Swap, is a simple solution for installing the K20 type cap on the K24 head. 2、Sturdy Construction: The intake manifold coolant adapter is made from high strength metal material, anti rust, wearproof, sturdy and durable. 3、1/8 NPT Port: The intake manifold coolant adapter plate also features a 1/8 NPT port for replacing the commonly used coolant temperature sensor in cars. 4、Tools Required for Installation: Tapping the head will require a 6.5mm drill bit (to finish the blind hole in the adapter), 5mm drill bit (to drill the head), and M6x1.0 Tap. 5、Tight Fit: The intake manifold coolant adapter can be installed using spring loaded plate or by tapping the head, to ensure a tight fit and seal. Item Type: Coolant Adapter Plate Material: ABS + Metal The K24 Coolant Adapter is a simple solution for installing the K20 type cap on the K24 head. The recirculation fitting on K24 is typically a part of the cap, which is not present on the K20 cap. The adapter we have designed is compatible with all K24 heads, including the K24Z series (R40) heads. The adapter also features a 1/8 NPT port for replacing the commonly used coolant temperature sensor in cars. The adapter can be installed using our spring loaded plate or by tapping the second hole on the head. The spring loaded plate applies constant spring pressure to secure the adapter, ensuring a tight fit and seal. Another option is to tap the head using the provided blind hole, making it easy to thread the second hole. Fitment: Fit for Acura K20 K24 K Series Swap 1 x Coolant Adapter Plate 2 x Screw