ACDelco GM Original Equipment Fuel Injection Pressure Regulators are mechanical valves that control fuel pressure in the fuel injector rail, and are GM-recommended replacements for your vehicle's original components. Their spring-loaded valves return excess fuel back to the fuel tank. These original equipment fuel injection pressure regulators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Product Features:Helps provide constant fuel pressure to the injectorsAssists in cold engine startsHelps maintain stable engine idleGM-recommended replacement part for your GM vehicle's original factory componentOffering the quality, reliability, and durability of GM OEManufactured to GM OE specification for fit, form, and function
