Holley Standard Main Jet #75

These precision metering orifices control fuel flow into the carburetor metering system and are essential components for carburetor tuning. Each jet is rated in flow capacity "cubic centimeters per minute" and can be easily changed for tuning purposes.

Key Features:

Flow-tested precision: All Holley main jets are flow tested and stamped with the correct number for accuracy
High-quality brass construction: Manufactured to high tolerances for consistent performance
Threaded design: Easy installation and removal for quick tuning changes
Professional tuning: The shape of the entry, exit, and size determines optimal flow characteristics

Compatibility:

Fits all Holley carburetor models including:

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

Specifications:

Jet Number: 75
Thread Size: 1/4"-32
Quantity: Sold as a pair (2 jets)
Material: Brass

Important Notes:

Jet hole sizes are provided for reference only
All Holley jets are sized by actual flow and may vary from reference sizes
Not suitable for carburetors originally designed for alcohol fuel
Legal for use on emissions controlled, non-emissions controlled, and racing vehicles