Bearing damage is a serious concern for any high-performance or high-mileage engine. Mishimoto Magnetic Oil Drain Plugs remove metal fragments in engine oil, thus extending and protecting the life of your engine. These oil drain plugs are constructed from billet 6061 aluminum with a powerful neodymium magnet. This magnet collects bearing and other harmful metallic fragments in engine oil, effectively removing them from circulation. This drain plug features a robust 24mm hex head and precise, durable threads for consistent use without stripping. Mishimoto Magnetic Oil Drain Plugs include a dependable dowty seal for superior protection against leaks. This M20 x 1.5 oil drain plug fits most Subaru vehicles and several Porsche models; check our fitment guide for more detailed information. As with all our products, the Mishimoto Magnetic Oil Drain Plug includes our Lifetime Warranty Material: 6061 Aluminum / Thread Pitch: M20 x 1.5"Powerful neodymium magnet Reduces metal debris and fragment contamination in engine oil Increases engine life and includes a dowty seal Mishimoto Lifetime Warranty