Edelbrock 1939 Edelbrock Quadrajet 4MV Primary Metering Rod - .039" (Qty 2)

The Edelbrock 1939 primary metering rods are precision-engineered replacement components designed specifically for Quadrajet 4MV carburetors. These metering rods feature a .039-inch diameter tip that controls fuel delivery during primary circuit operation, playing a critical role in optimizing air-fuel mixture and overall engine performance.

Key Features:

• Precision .039" diameter metering tip for accurate fuel metering
• Direct replacement for Quadrajet 4MV primary circuits
• Sold as a matched pair (quantity 2) for both primary barrels
• Manufactured by Edelbrock to OEM specifications
• Allows fine-tuning of fuel delivery for improved throttle response and fuel economy

Metering rods are essential tuning components that work with the metering jets to regulate fuel flow based on engine load and throttle position. Replacing worn or incorrect metering rods can restore proper carburetor function and resolve issues like hesitation, poor fuel economy, or rough idle. These rods are commonly used when rebuilding or re-jetting Quadrajet carburetors for performance applications or returning a carburetor to stock specifications.