Description: Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears. The Double Pumper is available in a gold dichromate or tumble polished shiny finish and features dual accelerator pumps for additional fuel under initial acceleration; mechanical secondaries for great performance; dual feed fuel inlets for constant high volume fuel delivery and a manual choke for easy control of engine warm up. Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's.Shiny finish for good looksOptimized street/strip calibration that works out-of-the-boxManual choke (Cable driven, hand operated) for precise cold start controlMechanical secondaries for awesome tire turning performanceDual accelerator pumps for additional fuel under initial accelerationDual feed fuel inlets for constant high volume fuel deliveryIntended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing100% wet-flow tested by Holley technicians to assure it arrives ready to run!weight7.8length12.4width11.4height7.9Barrels4BoosterStraightBrandHolleyCarburetor UsePerformance and RaceCFM650ChokeManualConditionNewEmission Code3FinishShinyFuelGasolineFuel InletDualMarine UseNoMaterialAluminumModel4150Primary Main Jet67Primary Power Valve6.5Primary Pump Nozzle Size28Product TypeCarburetorSecondariesMechanicalSecondary Main Jet73Secondary Pump Nozzle Size28Supercharged ApplicationNoThrottle Bore1.688 inchVacuum Ports1 timed (spark) port, 1 full, and 1 PCV portWarningCalifornia Proposition 65WarrantyLimited 90 Day
Price: 614.95 USD
Location: Chicago, Illinois
End Time: 2023-11-18T19:01:20.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Country/Region of Manufacture: United States
Country of Manufacture: United States
Manufacturer Warranty: Yes
Manufacturer Part Number: 0-4777S
California Prop 65 Warning: Cancer and Reproductive Harm
Brand: Holley
MPN: 04777S
