Upgrade your Subaru WRX or STI with the Torque Solution Oil Galley Plug designed specifically for EJ engines. This M18x1.5 thread plug features a 1/8 NPT threaded port, making it easy to install oil pressure or temperature sensors for monitoring engine performance. Crafted from high-quality CNC'd brass, this plug includes a copper M18 crush washer and comes with Teflon tape applied for a secure fit. Backed by a limited lifetime warranty, this plug is a durable and reliable choice for your Subaru. Please note that this plug is not compatible with the 2015+ Subaru WRX with FA20 engines. Stay ahead of the game and keep your engine running smoothly with the Torque Solution Oil Galley Plug.