Quick Fuel Technology 21-40QFT Accelerator Pump Nozzle .040 Inch

The Quick Fuel Technology 21-40QFT is a precision-machined accelerator pump nozzle designed to deliver optimal fuel atomization and throttle response in performance carburetors. This .040-inch diameter nozzle allows you to fine-tune your carburetor's accelerator pump circuit to match your engine's specific requirements and eliminate hesitation or bog during acceleration.

Key Features:

• Precision .040-inch orifice for accurate fuel metering
• Stamped identification for easy size verification
• Exclusive anti-pullover design prevents fuel from being drawn into the venturi during high vacuum conditions
• Includes gaskets for complete installation
• Direct replacement for Quick Fuel carburetors and compatible Holley-style carburetors
• High-quality brass construction for durability and corrosion resistance

Tuning your accelerator pump circuit with the correct nozzle size is essential for crisp throttle response and optimal performance. The .040-inch sizing provides a moderate fuel discharge rate suitable for a wide range of street and performance applications. Multiple nozzle sizes are available separately to allow precise tuning for different engine combinations and driving conditions.