Holley Standard Main Jet 67

Product Overview

These precision-engineered metering orifices control fuel flow into the carburetor metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes.

Key Features

Jet Size: 67 (.068" orifice diameter)
Thread Size: 1/4-32 standard thread
Material: High-quality brass construction
Flow Control: The shape of the entry, exit, and size determines precise flow characteristics
Quality Assurance: All Holley main jets are flow tested and stamped with the correct number for accuracy

Specifications

Standard main jet design
Manufactured to high tolerances for consistency
Threaded for easy installation and removal
Rated for gasoline fuel systems only

Compatibility

Fits all Holley carburetor models:

Model 2010
Model 2300
Model 4010
Model 4011
Model 4150
Model 4160
Model 4500

Important Notes

Jet hole sizes provided for reference only
All Holley jets are sized by actual flow and may vary from nominal sizes
Not for use with carburetors originally designed for alcohol
Legal for sale on Emissions Controlled Vehicles, Uncontrolled Vehicles, and Racing Use Only Vehicles

Performance

Ideal for fine-tuning carburetor performance for both street and racing environments. The precise flow characteristics enable optimal fuel delivery for enhanced engine performance.