Standard Flow Carburetor Power Valve #12645 Single Stage 4.5in Hg

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Edelbrock Single Stage Power Valve, Standard Flow 4.5 in. Hg
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The Edelbrock #12645 Single Stage 4.5 Hg Power Valve operates by using engine vacuum to control the opening and closing rate. During heavy load or under full power situations, they open to supply additional fuel to the main system to eliminate hesitation and bogging, ensuring the smooth delivery of power without any drivability concerns.


Availability Available
Application Universal
UPC 00085347126453
Gasket Or Seal Included Yes
Quantity Sold Individually
Single Or Dual Stage Single
Type Standard Flow
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Gasket included; Proper installation is the responsibility of the installer. Improper installation will void your warranty and may result in poor performance and engine or vehicle damage