The product is a JB2011 lifter HL71 AC designed for Dodge 318 engines. This lifter is an OEM part manufactured by AC in the United States. It is a critical component in the valvetrain system of the engine, responsible for lifting the valves open and closed to allow for proper engine function. This specific lifter model is compatible with the Dodge 318 1968 up common engine, ensuring a precise fit and reliable performance.