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Holley replacement power valves are an important component in the power enrichment circuit of Holley's performance carburetors. They operate by using engine vacuum to control their opening and closing rate. When they open, additional fuel is supplied to the main system during heavy load or under full power situations to eliminate hesitation and bogging--ensuring the smooth delivery of power without any drivability concerns. They're available in many different vacuum ranges to time the system's operation to your specific requirements, and they come in your choice of single-stage, two-stage, and high-flow designs. A gasket is included.
( 131 )
$31.79
$14.29
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$31.79
Summit Racing™ offers 4-window power valves for a wide range of Holley and Quick Fuel carburetor applications. These single-stage, high-flow replacements are available in a variety of primary stage opening vacuum points, from 2.5 in. Hg to 10.5 in. Hg. Gaskets are included with each valve. Dial in your power valve opening point with economical units from Summit Racing™.
( 3 )
$8.99
On Sale
These Quick Fuel FOUR DOOR power valves feature an exclusive in-house design that has become the preference of professional race teams in virtually every circuit where carburetors are used. They have a greater flow capacity, a quicker response rate, and tighter limit bands that allow engine builders to precisely tune the power enrichment phase of their calibration. All Quick Fuel FOUR DOOR power valves are hand-tested and set to the stamped value. Their thicker molded diaphragm adds increased protection against backfire-induced rupture.
( 51 )
$13.97
$12.57
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$113.95
Summit Racing™ power valves are an important component to a well tuned carburetor. They're available in multiple vacuum ranges to control the power enrichment circuit of your carburetor for proper driveability and performance.
( 27 )
$6.99
Since proper power valve selection is crucial to carburetor tuning, AED offers these high-quality power valves specifically designed for your Holley performance carburetor. All AED power valves are high-flow units with several vacuum ratings to give you the ultimate in tuning capability. AED also offers alcohol power valves for the special fuel demands of alcohol carburetors.
( 13 )
$9.99
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$11.99
Keep your Stromberg in tip-top performance with genuine service and restoration parts. Stromberg offers gaskets, jets, power valves, a choke plate, locks and shafts, and power bypass jets to service your carburetor. These power valves are available in all sizes for your applications. Stromberg service parts offer the best quality available and are stamped with the "S" logo to ensure that they're the real deal. Because the people at Stromberg pay attention to detail, your rebuild is hassle-free with parts that fit properly. Stromberg service parts are the right parts for your 97.
( 4 )
$14.95
Proform carburetor power valves increase fuel flow and response time, resulting in precise calibration and predictability. Each power valve is hand-tested in the USA to ensure quality.
( 4 )
$12.99
Get the power you need without hesitation or bogging down with Edelbrock Power Valves for Holley carburetors. These power valves operate using engine vacuum, opening to allow additional fuel to be supplied to your system under heavy load and in full power situations. Edelbrock Power Valves for Holley carburetors are offered in a variety of flow rates to meet your Holley's needs.
( 4 )
$17.95
Engine Works Power Valves offer an increased working area of the diaphragm for a quicker response. These high-flow valves are available in different opening vacuums in 2- or 4-window designs. Choose the one needed for your setup.
Not Yet Reviewed
$7.46
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