The Edelbrock #15807 is a 41 pound-per-hour Fuel Injector for the #1580, #1581, #1582, #1583 Edelbrock Supercharger Systems and is a optional Injector for #1585 and #1587 Edelbrock Kits. It is a Long Body Injector with a Gray Color Band. Set of 8 Injector.