Holley Standard Main Jets 122-52

Holley Standard Main Jets

Holley standard main jets are just what you need to fine-tune your carburettor 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-fuelled vehicles. When considering replacement parts for your carburettor, trust the expertise of Holley.

These metering orifices control fuel flow into the metering system. They are rated in flow capacity “cubic centimetres per minute” and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are flow tested and then stamped with the correct number.

Features:

• Standard Main Jet
• .052″ Jet size
• Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500
• Sizes from 40-110
• 1/4-32 Thread
• Jet Hole sizes provided for reference only . All Holley jets are sized by actual flow and may vary from sizes above.