Product Overview
These metering orifices control fuel flow into the metering system and are essential components for carburetor tuning and optimization. The jets are rated in flow capacity measured in cubic centimeters per minute and are easily changeable for precise tuning purposes.
Features
- Precision Construction: Manufactured from high-quality brass to high tolerances for consistency
- Flow Tested: All Holley Main jets are flow tested and stamped with the correct number
- Easy Installation: Features 1/4-32 thread size for easy installation and removal
- Jet Size 77: 0.0855" hole diameter (2.184 mm)
- Sold in Pairs: Convenient 2-pack for balanced tuning
Specifications
- Thread Size: 1/4-32
- Jet Hole Size: 0.0855" (reference only)
- Material: Brass
- Quantity: 2 jets per package
Compatibility
Fits all Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors.
Important Notes
- Jet hole sizes are provided for reference only - all Holley jets are sized by actual flow and may vary from listed sizes
- The shape of the entry, exit, and size determines flow characteristics
- Not for use with carburetors originally designed for alcohol
- Legal for use on Emissions Controlled Vehicles, Uncontrolled Vehicles, and Racing Use Only Vehicles