Sensor Adapter Plug: M20-1.5 to 1/8 NPT by Torque Solution Torque Solution Sensor Adapter Plug is M20-1.5 thread w/ a 1/8 NPT threaded port. Perfect fit for Subaru M20 oil pans or any other M20 oil plug applications. Allows you to easily add an oil temp sensor to help monitor your engine’s vitals. Made from high-quality CNC stainless steel. Includes M20 copper crush washer. Features CNC’d Stainless Steel M20-1.5 Threaded 1/8 NPT Port Copper M20 Crush Washer Benefits Allows you to easily add an oil temp sensor to help monitor your engine’s vitals Please Note:Only fits sensors that are threaded 1/8 NPT. Applications All EJ20 / EJ25 engines – Any other M20-1.5 threaded applications What’s In The Box? 1 – Sensor Adapter Plug: M20-1.5 to 1/8 NPT Warranty Torque Solution’s Standard Limited Warranty