Description

The Holley Power Valve 125-65 is essential for carburetor tuning, delivering precise fuel mixture control across varying engine loads and RPM ranges. This single-stage valve opens at 6.5 inches of vacuum, ensuring your engine runs lean during cruising while enriching the fuel curve when you need full power. Whether you’re tuning a street engine or dialing in a performance build, this bolt-on component gives you the control to maximize efficiency and throttle response.