Holley 0-4778C Features • Model 4150 • Unique shiny/chromate dip finish • Double pump • Mechanical secondaries • Center hung float bowls • Manual choke • Power valve blow-out protection • 100% wet-flow tested and calibrated |
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| The Holley Double Pumper Series Carbs are suited for a variety of applications, from hot street cars to all out race cars. They feature double accelerator pumps, center hung floats,dual fuel inlets, dual metering plates, as well as a manual choke. They also have built in Power valve protection. Also available in the Classic or shiny finishes. |
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