{"product_id":"1050-cfm-4500-mechanical-secondaries-hard-core-gray-gasoline-0-80903hbm","title":"Holley Gen 3 Marine Ultra Dominator Carburetor 1050 CFM 4500 Mechanical Secondaries Hard Core Gray Gasoline Holley 0-80903HBM","description":"\u003cp\u003eThe patent pending Gen 3 main-body is 5\/16 inch taller than the previous generation! This new height allowed for larger radius air entries which were optimized using Computational Fluid Dynamics (Cfd) software to deliver smoother flow into new fully machined, big bore venturii.\u003c\/p\u003e\u003cp\u003eThe main-body also features an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship as well as an extended air cleaner flange for easy air scoop attachment when using the available air scoop adapter. The Gen 3 utilizes high capacity fuel bowls which feature 20 percent more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh.\u003c\/p\u003e\u003cp\u003eOther features include all aluminum construction, 12-hole billet booster inserts, fully tunable billet metering blocks, adjustable external linkage, throttle position sensor mounting points and knurled (hand adjustable) curb idle screws. Each calibration has been dyno tested to deliver proven performance!\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures and Benefits:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAll aluminum construction saves 3.8lbs\u003c\/li\u003e\n\u003cli\u003eover original models (28 percent weight savings) Gray anodized finish with black anodized billet aluminum metering block and booster inserts Designed for use on Marine high horsepower engines Fully machined from venturi throat to throttle bore for predictable \u0026amp; repeatable performance Integrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship 12 hole billet booster inserts for superior atomization and crisp throttle response Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors \u0026amp; idle feed restrictors) Dual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle Fuel bowls provide 20 percent more fuel capacity while controlling slosh with internal baffling Clear sight windows on both sides of bowls for easy and safe fuel level adjustments Built in drain plug in front center of bowl provides easy access to empty contents of bowl 8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side Factory ready Tps mounting points for use with data acquisition systems (Holley Tps P\/N 534-214 available) Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools Contoured hex head squirter screws for streamlined airflow Fully adjustable stainless steel external linkage can be adjusted for 1:1 progressive, or soft progressive throttle activation\u003c\/li\u003e\n\u003cli\u003eNo linkage parts under the carburetor 100 percent wet-flow tested by Holley technicians to assure it arrives ready to run! J-Style vent tubes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eAssociated Comments:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eNew or modified fuel lines are required (if replacing existing Holley Dominator 4500 series carburetor - previous bowl machining was 7\/8-20, Aluminum Ultra Dominator carburetors come assembled with -6AN to Sae 8 port fittings). 0-80903HBM center to center fuel inlet measurement is now 11.5 inch\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBarrel Quantity: 4.0\u003c\/li\u003e\n\u003cli\u003eBillet Color: Hard Core Gray with Black\u003c\/li\u003e\n\u003cli\u003eBody Color: Hard Core Gray\u003c\/li\u003e\n\u003cli\u003eBody Finish: E-Coated\u003c\/li\u003e\n\u003cli\u003eBooster: Annular\u003c\/li\u003e\n\u003cli\u003eBooster Design: Annular\u003c\/li\u003e\n\u003cli\u003eCFM: 1050.0\u003c\/li\u003e\n\u003cli\u003eCarburetor Material: Aluminum\u003c\/li\u003e\n\u003cli\u003eCarburetor Use: Marine\u003c\/li\u003e\n\u003cli\u003eCircuit: 3.0\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003cli\u003eCubic Feet Per Minute Rating: 1050.0\u003c\/li\u003e\n\u003cli\u003eFinish: Hard Core Gray\u003c\/li\u003e\n\u003cli\u003eFlange Type: Dominator\/4500\u003c\/li\u003e\n\u003cli\u003eFuel Type: Gasoline\u003c\/li\u003e\n\u003cli\u003eFuel Inlet: Dual\u003c\/li\u003e\n\u003cli\u003eGrade Type: Performance\u003c\/li\u003e\n\u003cli\u003eHigh Speed Air Bleed: 43.0\u003c\/li\u003e\n\u003cli\u003eIdle Air Bleed Size: 65.0\u003c\/li\u003e\n\u003cli\u003eIntermediate Air Bleed: 71.0\u003c\/li\u003e\n\u003cli\u003eLinkage Attached: Yes\u003c\/li\u003e\n\u003cli\u003eMarine Approved: Yes\u003c\/li\u003e\n\u003cli\u003eMarine Engine Size: Universal\u003c\/li\u003e\n\u003cli\u003eMarine Use: Yes\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eModel: 4500\u003c\/li\u003e\n\u003cli\u003eMounting Hole Quantity: 4.0\u003c\/li\u003e\n\u003cli\u003eNeedle and Seat Size: 120;120\u003c\/li\u003e\n\u003cli\u003ePrimary Jet Diameter: 84.0\u003c\/li\u003e\n\u003cli\u003ePrimary Main Jet: 84.0\u003c\/li\u003e\n\u003cli\u003ePrimary Power Valve: 6.5\u003c\/li\u003e\n\u003cli\u003ePrimary Pump Nozzle Size: 35.0\u003c\/li\u003e\n\u003cli\u003eSecondaries: Mechanical\u003c\/li\u003e\n\u003cli\u003eSecondary Main Jet: 84.0\u003c\/li\u003e\n\u003cli\u003eSecondary Pump Nozzle Size: 35.0\u003c\/li\u003e\n\u003cli\u003eSpacer Included: No\u003c\/li\u003e\n\u003cli\u003eSupercharged Application: No\u003c\/li\u003e\n\u003cli\u003eThrottle Bore: 2.000 inch\u003c\/li\u003e\n\u003cli\u003eVenturii Size: 1.690 inch\u003c\/li\u003e\n\u003cli\u003eWarranty: Manufacturer's Limited 90 Day Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003eHolley Gen 3 Marine Ultra Dominator Carburetor 1050 CFM 4500 Mechanical Secondaries Hard Core Gray Gasoline Holley 0-80903HBM\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold As\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e90127021194\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailability\u003c\/td\u003e\n\u003ctd\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCFM\u003c\/td\u003e\n\u003ctd\u003e1050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":42900176699440,"sku":"BBVL_0-80903HBM","price":2049.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/0-80903hbm17349.jpg?v=1775099926","url":"https:\/\/berryperformancesales.com\/products\/1050-cfm-4500-mechanical-secondaries-hard-core-gray-gasoline-0-80903hbm","provider":"Berry Performance Sales","version":"1.0","type":"link"}