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Holley Single-Stage
Power Valves, with gasket: part of Holley's power enrichment system that
supplies additional fuel to the main system during heavy load
or full power situations. Holley utilizes a vacuum operated power enrichment system
and a selection of power valves is available to "time" this
system's operation to your specific requirements. The number stamped on the power valve
indicates that the power valve will open when the engine vacuum
drops to that reading, or below. Choose from the 11 power valves listed
below ranging from 1.0"Hg to 10.5"Hg. |
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