Description
Proper jetting is fundamental to carburetor tuning—and these Holley main jets are essential for dialing in your fuel delivery for peak performance across the RPM range. Whether you’re fine-tuning a street engine or optimizing a race build, the 122-64 jets allow precise calibration of your main circuit without guesswork. Get the right air-fuel ratio and unlock the power your engine was designed to produce.
- Holley carburetor jets
- 0.064″ ID orifice
- Number 64 specification
- Brass construction
- Pair (two jets)
- Bolt-on installation
- MPN: 122-64
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