Description
A worn or poorly calibrated needle and seat directly impacts fuel delivery precision, affecting both idle quality and full-throttle performance. The Holley 6-506 delivers consistent fuel metering across the RPM range, eliminating hesitation and ensuring your carburetor operates at peak efficiency. Whether you’re tuning a street engine or dialing in a race carb, this adjustable assembly gives you the control needed for reliable, repeatable performance.
- Holley carburetor compatible
- Adjustable needle and seat
- 0.097″ orifice size
- Viton sealing material
- Precision-engineered fuel metering
- Sold individually
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