Using this Killer B oil temperature sensor adapter is straightforward. First, locate the M18 ports on top of your EJ engine. Then, attach the adapter to the port. Next, connect your aftermarket temperature sensor with 1/8NPT threads to the adapter. Before you make a purchase, always double - check if it's compatible with your engine. During installation, be aware that you may need to make some small adjustments to ensure it fits perfectly. To maintain this adapter, keep it clean and free from dirt and debris. If you notice any signs of wear or damage, it's a good idea to replace it promptly.