The ACDelco Professional, premium aftermarket Fuel Injection Pressure Regulator is the ideal high quality replacement for your GM vehicle. It is a mechanical valve that controls the fuel pressure in the fuel injector rail. The spring-loaded valve returns excess fuel back to the fuel tank. This premium aftermarket replacement fuel injection pressure regulator is manufactured to meet or exceed your expectations for fit, form, and function. Product Features:Professional, premium aftermarket replacementProvides the performance and dependability you expect from ACDelcoManufactured to meet expectations for fit, form, and function
