Holley Power Valve 125-85

The Holley Power Valve 125-85 is essential for carburetor tuning precision—it automatically enriches your fuel mixture during acceleration and cruise conditions, optimizing drivability across the RPM range. Whether you're fine-tuning a street engine or dialing in a race carb, this single-stage valve ensures consistent performance by responding to engine vacuum signals exactly when your engine needs it. Upgrading to the correct power valve specification prevents lean stumbles, improves throttle response, and maximizes fuel efficiency during steady-state driving.

• Holley Power Valve
• Standard flow capacity
• Single-stage design
• 8.5 in Hg vacuum rating
• Includes gasket seal
• Direct bolt-on fit
• OEM-quality construction
• Sold individually