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Racers sometimes prefer to race their cars without using a power valve. In these cases, the only way to properly block off the power valve circuit is with one of these Holley power valve plugs and gaskets. They'll fit any Holley carburetor with 1/2 in. x 28 threads, and block the circuit for all-out race performance!
( 6 )
$10.13
Summit Racing™ power valve plugs will block the power valve from enriching the carburetors main circuit. Some racers prefer to run like this, requiring them to increase jet sizes which compensates for the power valves elimination.
( 4 )
$3.99
These Quick Fuel power valve plugs block off the power valve circuit. These plugs come complete with a gasket and are designed for those who wish to race without a power valve.
( 4 )
$8.37
Racers sometimes prefer to race their cars without using a power valve. In these cases, the only way to properly block off the power valve circuit is with one of these power valve plugs from Mr. Gasket. They'll fit any Holley carburetor with 1/2 in. x 28 threads, and they come with a new gasket.
( 1 )
$16.63
Engine Works power valve block-off plugs are designed to replace the power valve in racing applications where power valve enrichment is not required between the primary and secondary circuits. Racers sometimes prefer to race their cars without using a power valve. In these cases, the only way to properly block-off the power valve circuit is with a power valve plug and gasket. Includes the power valve block-off plug and a gasket.
Not Yet Reviewed
$5.61
If you are running a high performance motor that goes from idle to wide open throttle and that's all it does, you'll want to block off the power valves. Edelbrock power valve block-offs for Holley carburetors keep your performance carburetor in top running order. These plugs include a gasket. Now Edelbrock helps you service your non-Edelbrock carburetors with power valve block-offs for Holley carburetors.
Not Yet Reviewed
$13.95
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