Description
Holley designed this 125-55 Power Valve to regulate fuel flow during idle, light driving and racing applications on Holley carbureted engines. The open and closing rate is based on engine vacuum during part-throttle through Wide Open Throttle situations.
Under low vacuum (WOT), this valve opens to supply additional fuel to the carburetor metering system, eliminating bogging and hesitation. At part-throttle and high vacuum, the valve closes, improving drivability, air-fuel ratio and fuel mileage.
Selecting the correct power valve for your application is critical to dial in your carburetor to its peak potential on the street and dragstrip!
Holley 125-55 Power Valve Features:
- Opening Vacuum: 5.5 in. Hg
- Power Valve Type: Single Stage
- Power Valve Style: Standard Flow
- Gasket Included: Yes
- Quantity: Sold individually
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley’s products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality!
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