Holley Accelerator Pump Discharge Nozzle - 0.031"
Overview
The Holley 121-31 Accelerator Pump Discharge Nozzle is an essential carburetor component featuring a precision 0.031 inch hole size in a tube-type design. These nozzles are indispensable for proper tuning of your accelerator pump system, allowing you to effectively adjust the rate of fuel delivered to your engine.
Key Features
- Precision Hole Size: 0.031 inch diameter for optimal fuel delivery rate
- Tube Type Design: Professional-grade construction for reliable performance
- Complete Kit: Includes 2 nozzles and 4 gaskets for complete installation
- Size Identification: Nozzle sizes are clearly stamped on each nozzle for easy identification
- Professional Quality: Genuine Holley part manufactured to exact specifications
Technical Specifications
The nozzle hole size determines the rate of fuel discharge - a larger hole will discharge fuel at a faster rate with less pressure than a smaller hole. This 0.031" size provides balanced fuel delivery for most applications.
What's Included
- 2 x Accelerator Pump Discharge Nozzles (0.031" hole size)
- 4 x Gaskets
Compatibility
Designed for use with Holley carburetors including models 4150, 4160, and 4500 series. Part of Holley's comprehensive carburetor tuning system.
Installation
Fast and easy installation with included gaskets. Sizes are stamped on each nozzle for quick identification during tuning.