121-5 Holley Accellerator Dischg Check Needle
121-5 Holley Accellerator Dischg Check Needle
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121-5 Holley Accelerator Discharge Check Needle
Enhance your vehicle's performance with the 121-5 Holley Accelerator Discharge Check Needle. This premium part is essential for optimizing your accelerator pump system, providing you with the precision tuning needed for superior fuel delivery.
Key Features:
- Performance Optimization: A crucial component for effective tuning of your accelerator pump system.
- Variety of Sizes: Available in various nozzle hole sizes to cater to your specific performance needs.
- Fuel Discharge Control: The size of the nozzle hole influences the rate of fuel discharge, making it customizable to your engine's requirements.
- Quality Design: Each nozzle is stamped with its size for easy identification and selection.
- Compatibility: Designed to work seamlessly with Holley Model 4150/4160 Carburetors.
Specifications:
- Nozzle Size: 0.050 Inch
- Warranty: Limited 90 Day Warranty
Upgrade your carburetor’s efficiency and performance with the 121-5 Holley Accelerator Discharge Check Needle—a reliable choice for automotive enthusiasts and professionals alike.
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.

