Big End replacement power valve for all Holley carburetors. Standard flow 2-port power valve with a primary stage opening at the particular vacuum from 4.5" to 8.5" of your choice. Gasket included. These power valves operate under a select vacuum by the number 2.5 to 8.5 inches of vacuum to control the opening and closing rate of the circuit. The correct power valve opening rate is crucial to the performance of the engine during heavy loads, under full power situations, to eliminate hesitation and bogging. The carburetor's opening rate depends on the specific requirements in the application.
Power Valve Type: Single stage
Power Valve Flow: Standard
Opening Vacuum Hg: 4.5 in.
Gasket: Yes
Quantity: Sold Each
Features
- Power Valve Type:
- Single stage
- Power Valve Style:
- Standard flow
- Primary Stage Opening Vacuum:
- 4.5 in. Hg
- Gaskets Included:
- Yes
- Quantity:
- Sold individually.
