Experience superior engine protection with the Motorcraft FL400S-12PK Oil Filter. This high-performance filter boasts a larger size for increased filtration capacity and reduced pressure drop, ensuring optimal engine performance. Equipped with an anti-drain back valve, it prevents dry starting and filters down to an impressive 20 microns. The FL400S features a durable silicone O-ring seal, providing a secure fit and long-lasting reliability. Compatible with a wide range of Ford vehicles, including the Fiesta ST, Focus RS, and Focus ST, this oil filter is perfect for both stock and modified engines.