The Holley 122-61 Carburetor Jets are genuine replacement parts designed specifically for Holley carburetors. These jets are essential components for controlling the fuel-air mixture in the engine, ensuring optimal performance and efficiency. With the manufacturer part number 122-61, you can trust that these jets are of high quality and are compatible with your Holley carburetor. Upgrade your vehicle's air and fuel delivery system with these reliable and durable carburetor jets from Holley.