Description
Proper jetting is the foundation of carburetor tuning—get it wrong, and you’re leaving horsepower on the table or risking a lean-running engine. The Holley 122-56 main jets give you precise fuel metering for consistent performance across the RPM band, whether you’re tuning a street engine or dialing in a race carb. These brass jets are a direct bolt-in solution for Holley carburetors, making them essential for any serious tuning work.
- Carburetor jet set
- 0.055 in ID
- Size 56 rating
- Brass construction
- Holley carburetors
- Pair included
- Bolt-on installation
