Description
Precise fuel delivery is the foundation of carburetor tuning, and the right main jet directly impacts your engine’s power curve and throttle response. These Holley main jets are engineered to exact specifications for consistent air-fuel ratios across load conditions. Whether you’re dialing in a street engine or fine-tuning a race carb, having quality jets on hand ensures you can quickly optimize performance without guesswork.
- Quantity: Two jets
- Jet size: Number 107
- Orifice diameter: 0.145 inches
- Material: Brass construction
- Application: Holley carburetors
- Installation: Bolt-in replacement






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