Holley 121-137 Accelerator Pump Discharge Nozzle .037 ID Alum Pair

The Holley 121-137 Accelerator Pump Discharge Nozzle is a high-quality automotive component engineered to enhance the performance of your carbureted engine. Made from durable aluminum, this pair of nozzles is designed to provide reliable and consistent fuel discharge, crucial for optimal engine performance during acceleration. Its .037-inch inner diameter ensures that the right amount of fuel is delivered to the intake manifold, enabling smoother engine response and improved throttle control.

As part of the fuel delivery system, the discharge nozzle works in conjunction with the accelerator pump to ensure that a precise amount of fuel is injected when the throttle is opened. This precision plays a vital role in achieving optimal air-fuel mixtures, resulting in better combustion efficiency and gas mileage. Whether you're racing, off-roading, or simply upgrading your vehicle for better performance, the Holley 121-137 nozzles are an excellent choice for enhancing engine responsiveness.

FITMENT: This discharge nozzle is compatible with various Holley carburetor models. Please consult your carburetor manual or specifications for detailed compatibility to ensure a perfect fit and optimal performance.

Key Features & Benefits

• Constructed from high-quality aluminum for durability and resistance to corrosion.
• .037-inch ID ensures precise fuel delivery for improved throttle response.
• Optimizes air-fuel mixture for better combustion efficiency.
• Sold as a pair, providing a complete solution for your fuel delivery needs.
• Easy installation process, designed to integrate seamlessly with Holley carburetors.