Holley Standard Main Jets 122-55

Holley standard main jets are just what you need to fine-tune your carburetor for street or race performance. Threaded for easy installation and removal, they manufacture these brass jets to high tolerances for consistency. They're available in dozens of jet and jet drill sizes for precise fitment on countless gasoline-fueled vehicles. When considering replacement parts for your carburetor, trust the expertise of Holley.