Holley Standard Main Jets - Size 74
Precision Carburetor Tuning
These metering orifices control fuel flow into the metering system and are rated in flow capacity "cubic centimeters per minute" for changeable tuning purposes. The shape of the entry, exit, and size determines flow characteristics.
Features:
- Flow Tested & Stamped: All Holley Main jets are flow tested and then stamped with the correct number for accuracy
- Threaded Design: Easy installation and removal with standard threading
- Brass Construction: Manufactured to high tolerances for consistency
- Size 74: Specific flow rating for precise tuning requirements
- Professional Grade: Made by Holley, the undisputed leader in carburetor components
Compatibility:
Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors
Package Contents:
- 2 Main Jets (Size 74)
- Flow tested and numbered for accuracy
Note: All Holley jets are sized by actual flow and may vary from nominal sizes. Jet hole sizes are provided for reference only.