Holley Main Jets (2) 122-78
Part Number: HLY122-78HOLLEY
- SKU:
- HLY122-78
- UPC:
- 90127021835
- MPN:
- 122-78
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
Prop 65 Warning
Prop 65 Warning
cancer & reproductive harm
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Frequently bought together:
Description
Precise fuel metering is the foundation of carburetor tuning, and the right main jet size directly impacts your engine's power delivery and efficiency across the RPM band. These Holley main jets allow you to dial in the exact air-fuel ratio your engine demands, whether you're running a street machine or competition setup. A pair of quality brass jets ensures consistent performance and eliminates the guesswork from carburetor calibration.
- Carburetor jet type
- 0.087 inch inner diameter
- Number 78 specification
- Brass construction
- Holley carburetor compatible
- Sold as pair
- Bolt-on installation
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