121-40 Holley Pump Discharge Nozzle
121-40 Holley Pump Discharge Nozzle
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121-40 Holley Pump Discharge Nozzle
Optimize your Holley carburetor's performance with the 121-40 Holley Pump Discharge Nozzle. This essential component is designed to enhance the tuning of your accelerator pump system, ensuring peak performance and efficiency.
Key Features:
- Precision Tuning: A selection of accelerator pump discharge nozzle sizes is crucial for fine-tuning your system.
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Nozzle Hole Size: The size of the nozzle hole directly influences the rate of fuel discharge:
- A larger hole allows for faster fuel discharge at lower pressure.
- A smaller hole results in slower fuel discharge at higher pressure.
- Compatible with: Holley Model 4150, 4160, and 4500 Carburetors.
- Included Gaskets: Yes, ensuring a complete installation.
- Sizes Available: Each nozzle size is clearly stamped for easy identification.
- Number of Nozzles: 2 included for versatile tuning options.
- Limited 90 Day Warranty: Purchase with confidence knowing you're covered.
Take control of your vehicle’s performance with the 121-40 Holley Pump Discharge Nozzle and experience the difference in fuel discharge efficiency. Ideal for automotive enthusiasts seeking enhanced power and throttle response!
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

