The Holley Fuel Pressure Regulator 34R-6657B is a high-performance auto part designed to regulate fuel pressure for optimal engine performance. Made by the reputable brand Holley, this fuel pressure regulator is a unit specifically designed for racing and performance vehicles. With its precision engineering and quality construction, this product is sure to enhance the fuel system's efficiency and power output in a variety of automotive applications. Whether you're a car enthusiast looking to upgrade your fuel system or a professional mechanic requiring a reliable fuel pressure regulator, this Holley unit is a top choice for enhancing auto performance. Condition as shown detailed in pictures.