Holley Performance Carburetor Metering Jet (MPN: 122-71)

Precision metering 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 various Holley carburetors. With a hole size of 0.0750 inches, these brass jets are engineered for precision and reliability. Each jet is flow tested to ensure accurate performance and is stamped with its flow capacity for easy identification. This set of two metering jets allows for tuning adjustments, enabling users to optimize their carburetor's performance based on specific engine requirements.

These metering jets are compatible with Holley carburetor models including 2010, 2300, 4010, 4011, 4150, 4160, and 4500. The standard main jet design ensures consistent fuel delivery, which is critical for maintaining engine efficiency and performance. The changeable flow capacity of these jets provides flexibility for tuning, making them a valuable component for automotive enthusiasts and professionals alike.

Constructed from durable brass, these metering 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, contributing to reliable operation. Whether for racing or everyday driving, the Holley Performance Carburetor Metering Jet is an essential part of achieving optimal fuel management.

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: 122-71
• Compatibility: Holley Model 2010, 2300, 4010, 4011, 4150, 4160 And 4500 Carburetor
• Type: Main Jet
• Fuel Type: Gasoline
• Jet Drill Size: 0.075 Inch
• Quantity: Set Of 2
• Thread Size: 1/4 Inch-32 UNF
• Material: Brass

Technical Documents

• brand_warranties.pdf