The Vintage Elgin Quality Automotive Replacement Piston Pins 620B in size .003 are a set of high-quality piston pins manufactured in the United States. These vintage parts are designed to meet the needs of classic vehicles, with a pin length of 2.5 inches and a diameter of 0.75 inches. The set includes a piston pin and circlip, making it easy to replace worn-out or damaged parts in your vehicle's engine. With a weight of 2.5 ounces, these piston pins are the perfect choice for automotive enthusiasts looking to restore their vintage vehicles to their original condition.