This genuine 1999 Ford Mustang fuel pressure regulator is the perfect solution for restoring your classic pony car's fuel delivery system to factory specifications. Designed specifically for the '99 Mustang's fuel injection system, this regulator maintains optimal fuel pressure to ensure consistent engine performance, smooth idle, and reliable acceleration. Whether you're experiencing fuel delivery issues, rough running, or simply performing preventive maintenance on your beloved Mustang, this OEM-quality component will help keep your 4.6L V8 or 3.8L V6 running at peak efficiency. Don't let a failing fuel pressure regulator rob your Mustang of its legendary performance – invest in this essential fuel system component and experience the smooth, responsive power delivery your Ford was designed to provide. Compatible with both manual and automatic transmissions, this regulator is a direct replacement that installs easily with basic tools, making it an ideal choice for both DIY enthusiasts and professional mechanics looking to restore proper fuel system operation.