Description
Proper jetting is the foundation of carburetor tuning—get it wrong, and you’re leaving power on the table or running dangerously lean. The Holley Main Jets (2) 122-66 are precision brass components engineered to deliver the exact fuel metering your engine demands at cruise and part-throttle conditions. Whether you’re fine-tuning a street engine or dialing in a race carb, these jets give you the control to optimize air-fuel ratio for maximum performance and reliability.
- Holley carburetor jets
- Number 66 sizing
- 0.066 inch ID
- Brass construction
- Sold as pair
- Bolt-on installation
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