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.