Holley Performance Carburetor Metering Jet (MPN: 122-74)

Precision-engineered jets for optimal fuel flow control in Holley carburetors.

The Holley Performance Carburetor Metering Jet is designed to regulate fuel flow into the metering system of Holley carburetors. With a hole size of 0.0800 inches, these brass jets are essential for tuning the fuel delivery to achieve desired performance levels. Each jet is flow tested to ensure accuracy and is stamped with the corresponding flow capacity rating, providing reliable and consistent performance.

These metering jets are compatible with various Holley carburetor models including 2010, 2300, 4010, 4011, 4150, 4160, and 4500. The standard main jet design allows for easy replacement and adjustment, making it simple to fine-tune the fuel flow as needed. The changeable flow capacity enables users to optimize their carburetor setup for specific applications, enhancing overall engine efficiency.

Constructed from durable brass, these jets are built to withstand the rigors of high-performance applications. The 1/4 Inch-32 UNF thread size ensures a secure fit within the carburetor, maintaining the integrity of the fuel system. This set of two metering jets provides a practical solution for those looking to enhance their Holley carburetor's performance.

Features

• Control Fuel Flow Into The Metering System
• All Holley Main Jets Are Flow Tested And Then Stamped With The Correct Number
• Standard Main Jet
• Flow Capacity Are Changeable For Tuning Purposes

Specifications

• Manufacturer: Holley Performance
• Manufacturer Part Number: 122-74
• Compatibility: Holley Model 2010, 2300, 4010, 4011, 4150, 4160 And 4500 Carburetor
• Type: Main Jet
• Fuel Type: Gasoline
• Jet Drill Size: 0.080 Inch
• Quantity: Set Of 2
• Thread Size: 1/4 Inch-32 UNF
• Material: Brass

Technical Documents

• brand_warranties.pdf