{"product_id":"ultra-double-pumper-carburetor-850-cfm-4150-mechanical-secondaries-billet-gasoline-holley","title":"Ultra Double Pumper Carburetor 850 CFM 4150 Mechanical Secondaries Billet Gasoline Holley","description":"\u003cp\u003eUltra light Aluminum construction for 43 percent weight savings Ultra shiny Tumble polished finish holds shine longer Ultra strong Billet metering blocks \u0026amp; base plates Ultra cool Red anodized billet aluminum metering blocks and base plate Ultra easy Built in sight window for simple float adjustments Ultra fast High-performance fuel curves 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.\u003c\/p\u003e \u003cp\u003eFrom 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 Ultra Double PumperTM Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum.\u003c\/p\u003e \u003cp\u003eThey weigh in at approximately 5 lbs. less than a comparable zinc carburetor.\u003c\/p\u003e \u003cp\u003eThe new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction, anodized billet aluminum metering blocks and base plate, 4 corner idle for precise idle control, dual accelerator pumps for additional fuel under initial acceleration, mechanical secondaries for great performance, clear fuel level sight plugs for easy, no mess fuel level adjustments, Ford automatic transmission kickdown for use on popular Ford transmissions, four vacuum ports for all necessary vacuum accessories, and for the first time on a Double Pumper, factory pre-set electric choke for easy, fast cold start-ups. The clean, polished look coupled with Red metering blocks and throttle body will certainly set your ride apart whether you are at the show or track.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eFeatures and Benefits:\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eShiny with red anodized billet aluminum metering blocks\/base plate for good looks and true gasket sealing Ultra Double Pumpers feature an Optimized street\/strip calibration that works out-of-the-box Factory preset electric choke for easy startups Mechanical secondaries for awesome tire turning performance 4 corner idle allows you to precisely control your idle system Built in, clear fuel level sight glass for easy, no mess fuel level adjustments Aluminum construction for a 43 percent weight savings Compatible with Gm, Chrysler, and Ford A\/T kickdown linkage\u003c\/li\u003e \u003cli\u003eAdditional parts may be required\u003c\/li\u003e \u003cli\u003eIntended for lightweight vehicles w\/ manual trans or automatics with high stall \u0026amp; low gearing 100 percent wet-flow tested by Holley technicians to assure it arrives ready to run!\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cb\u003eAssociated Comments:\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThis model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter Afb, and Autolite style carburetors with 5 3\/16 inch x 5 5\/8 inch bolt pattern.\u003c\/li\u003e \u003cli\u003eIf you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr.\u003c\/li\u003e \u003cli\u003eGasket #1932.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBarrel Quantity: 4.0\u003c\/li\u003e \u003cli\u003eBillet Color: Red\u003c\/li\u003e \u003cli\u003eBody Color: Polished\u003c\/li\u003e \u003cli\u003eBody Finish: Polished\u003c\/li\u003e \u003cli\u003eBooster: Downleg\u003c\/li\u003e \u003cli\u003eBooster Design: Downleg\u003c\/li\u003e \u003cli\u003eCFM: 850.0\u003c\/li\u003e \u003cli\u003eCarburetor Material: Aluminum\u003c\/li\u003e \u003cli\u003eCarburetor Use: Performance and Race\u003c\/li\u003e \u003cli\u003eChoke Type: Electric\u003c\/li\u003e \u003cli\u003eCondition: New\u003c\/li\u003e \u003cli\u003eCubic Feet Per Minute Rating: 850.0\u003c\/li\u003e \u003cli\u003eFinish: Shiny\u003c\/li\u003e \u003cli\u003eFlange Type: Square\/4150\u003c\/li\u003e \u003cli\u003eFuel Type: Gasoline\u003c\/li\u003e \u003cli\u003eFuel Inlet: Dual\u003c\/li\u003e \u003cli\u003eGrade Type: Performance\u003c\/li\u003e \u003cli\u003eLinkage Attached: Yes\u003c\/li\u003e \u003cli\u003eMarine Approved: No\u003c\/li\u003e \u003cli\u003eMarine Use: No\u003c\/li\u003e \u003cli\u003eMaterial: Aluminum\u003c\/li\u003e \u003cli\u003eModel: 4150\u003c\/li\u003e \u003cli\u003eMounting Hole Quantity: 4.0\u003c\/li\u003e \u003cli\u003ePrimary Jet Diameter: 80.0\u003c\/li\u003e \u003cli\u003ePrimary Main Jet: 80.0\u003c\/li\u003e \u003cli\u003ePrimary Power Valve: 6.5\u003c\/li\u003e \u003cli\u003ePrimary Pump Nozzle Size: 31.0\u003c\/li\u003e \u003cli\u003eSecondaries: Mechanical\u003c\/li\u003e \u003cli\u003eSecondary Main Jet: 80.0\u003c\/li\u003e \u003cli\u003eSecondary Pump Nozzle Size: 31.0\u003c\/li\u003e \u003cli\u003eSpacer Included: No\u003c\/li\u003e \u003cli\u003eSupercharged Application: No\u003c\/li\u003e \u003cli\u003eThrottle Bore: 1.750 inch\u003c\/li\u003e \u003cli\u003eVacuum Ports: 1 timed (spark) port, 2 full, and 1 Pcv port\u003c\/li\u003e \u003cli\u003eWarranty: Manufacturer's Limited 90 Day Warranty\u003c\/li\u003e \u003c\/ul\u003e","brand":"Holley","offers":[{"title":"Color Red Shiny","offer_id":47482663960804,"sku":"0-76850RD","price":808.95,"currency_code":"USD","in_stock":false},{"title":"Hard Core Gray","offer_id":47482663993572,"sku":"0-76850HB","price":943.95,"currency_code":"USD","in_stock":false},{"title":"Color Blue Shiny","offer_id":47482664026340,"sku":"0-76850BL","price":949.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/6855\/8308\/files\/0-76850RD-BBVL.jpg?v=1773415639","url":"https:\/\/jeeperz-creeperz.com\/products\/ultra-double-pumper-carburetor-850-cfm-4150-mechanical-secondaries-billet-gasoline-holley","provider":"Jeeperz Creeperz, Inc.","version":"1.0","type":"link"}