Description
The Holley 121-6 discharge nozzle screw is a critical fuel metering component that directly impacts your carburetor’s atomization and throttle response. Over time, corrosion and wear compromise the precision fit of OEM screws, leading to lean or rich conditions and inconsistent engine behavior. A solid steel replacement ensures reliable fuel delivery and restores your Holley carb to factory specifications.
- Discharge nozzle screw
- Solid steel construction
- Zinc oxide coating
- Holley carburetor applications
- Direct replacement fitment
- Sold individually
- OEM-equivalent design
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