ACDelco GM Original Equipment Engine Valve Lifters automatically help maintain a 'zero' valve lash condition to help prevent valve train noise and unnecessary valve train component wear, and are GM-recommended replacements for your vehicle's original components. These original equipment valve lifters have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Product Features:Adjusts the valves on your vehicle's engine for proper performanceGM-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
