Holley Standard Main Jet - Size 53
Features & Benefits
These metering orifices control fuel flow into the metering system for precise carburetor tuning. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes.
Technical Details
- Thread Size: 1/4-32"
- Hole Size: .052"
- Material: Brass
- Flow Tested: All Holley main jets are flow tested and then stamped with the correct number
- Pack Quantity: 2 jets per package
Compatibility
Fits all Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors. The shape of the entry, exit, and size determines flow characteristics for optimal performance.
Quality Assurance
All Holley jets are sized by actual flow and manufactured to high tolerances for consistency. Threaded design allows for easy installation and removal during tuning processes.