{"product_id":"holley-0-80903hbm-gen-3-marine-ultra-dominator-carburetor","title":"Holley 0-80903HBM - Gen 3 Marine Ultra Dominator Carburetor","description":"\u003cp\u003eHolley 0-80903HBM - Gen 3 Marine Ultra Dominator Carburetor\u003c\/p\u003e\u003cp\u003eCarburetor - Gen 3 Ultra Dominator - Marine - 4-Barrel - 1050 CFM - Dominator Flange - No Choke - Mechanical Secondary - Dual Inlet - Gray \/ Black - Each\u003c\/p\u003e\u003cp\u003eGen 3 Marine Ultra Dominator Carburetor; 4bbl; 1050 cfm; 3 Circuit Metering; Model 4500; Dual Fuel Inlet; No Choke; Hard Core Gray w\/Black Metering Block\/Booster Inserts;\u003c\/p\u003e\u003cp\u003eThe patent pending GEN 3 main body is 5\/16 in. 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. The 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% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other 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\u003cul\u003e\n\u003cli\u003eAll aluminum construction saves 3.8lbs. over original models (28% weight savings)\u003c\/li\u003e\n\u003cli\u003eGray anodized finish with black anodized billet aluminum metering block and booster inserts\u003c\/li\u003e\n\u003cli\u003eDesigned for use on Marine high horsepower engines\u003c\/li\u003e\n\u003cli\u003eFully machined from venturi throat to throttle bore for predictable \u0026amp; repeatable performance\u003c\/li\u003e\n\u003cli\u003eIntegrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship\u003c\/li\u003e\n\u003cli\u003e12 hole billet booster inserts for superior atomization and crisp throttle response\u003c\/li\u003e\n\u003cli\u003eMetering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors \u0026amp; idle feed restrictors)\u003c\/li\u003e\n\u003cli\u003eDual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle\u003c\/li\u003e\n\u003cli\u003eFuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling\u003c\/li\u003e\n\u003cli\u003eClear sight windows on both sides of bowls for easy and safe fuel level adjustments\u003c\/li\u003e\n\u003cli\u003eBuilt in drain plug in front center of bowl provides easy access to empty contents of bowl\u003c\/li\u003e\n\u003cli\u003e8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side\u003c\/li\u003e\n\u003cli\u003eFactory ready TPS mounting points for use with data acquisition systems (Holley TPS P\/N 534-214 available)\u003c\/li\u003e\n\u003cli\u003eKnurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools\u003c\/li\u003e\n\u003cli\u003eContoured hex head squirter screws for streamlined airflow\u003c\/li\u003e\n\u003cli\u003eFully adjustable stainless steel external linkage can be adjusted for 1:1 progressive, or soft progressive throttle activation. No linkage parts under the carburetor\u003c\/li\u003e\n\u003cli\u003e100% wet-flow tested by Holley technicians to assure it arrives ready to run!\u003c\/li\u003e\n\u003cli\u003eJ-Style vent tubes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBarrel Quantity\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBarrels\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBillet Color\u003c\/strong\u003e: \u003cspan\u003eHard Core Gray with Black\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBody Color\u003c\/strong\u003e: \u003cspan\u003eHard Coat Gray\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBody Finish\u003c\/strong\u003e: \u003cspan\u003eE-Coated\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: \u003cspan\u003eAluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBooster\u003c\/strong\u003e: \u003cspan\u003eAnnular\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBooster Design\u003c\/strong\u003e: \u003cspan\u003eAnnular\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHolley\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Material\u003c\/strong\u003e: \u003cspan\u003eAluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCarburetor Use\u003c\/strong\u003e: \u003cspan\u003eMarine\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eAir and Fuel Delivery\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCFM Rating\u003c\/strong\u003e: \u003cspan\u003e1050\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eChoke\u003c\/strong\u003e: \u003cspan\u003eNone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eChoke Type\u003c\/strong\u003e: \u003cspan\u003eNone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCircuit Count\u003c\/strong\u003e: \u003cspan\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: \u003cspan\u003eHard Coat Gray\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCondition\u003c\/strong\u003e: \u003cspan\u003eNew\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCubic Feet Per Minute Rating\u003c\/strong\u003e: \u003cspan\u003e1050\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eHard Core Gray\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFlange Shape\u003c\/strong\u003e: \u003cspan\u003eSquare\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFlange Type\u003c\/strong\u003e: \u003cspan\u003eDominator\/4500\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel\u003c\/strong\u003e: \u003cspan\u003eGasoline\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Inlet\u003c\/strong\u003e: \u003cspan\u003eDual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFuel Type\u003c\/strong\u003e: \u003cspan\u003eGasoline\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHigh Speed Air Bleed\u003c\/strong\u003e: \u003cspan\u003e43\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIdle Air Bleed Size\u003c\/strong\u003e: \u003cspan\u003e65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntermediate Air Bleed\u003c\/strong\u003e: \u003cspan\u003e71\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLinkage Attached\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMarine Approved\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMarine Engine Size\u003c\/strong\u003e: \u003cspan\u003eUniversal\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eAluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: \u003cspan\u003e4500\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMounting Hole Quantity\u003c\/strong\u003e: \u003cspan\u003e4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNeedle and Seat Size\u003c\/strong\u003e: \u003cspan\u003e120;120\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eCarburetor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrimary Jet Diameter\u003c\/strong\u003e: \u003cspan\u003e84\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrimary Main Jet Size\u003c\/strong\u003e: \u003cspan\u003e84\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrimary Power Valve\u003c\/strong\u003e: \u003cspan\u003e6.5\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrimary Pump Nozzle Size\u003c\/strong\u003e: \u003cspan\u003e35\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eMarine Carburetor\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSecondary Barrel Type\u003c\/strong\u003e: \u003cspan\u003eMechanical\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSecondary Main Jet Size\u003c\/strong\u003e: \u003cspan\u003e84\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSecondary Pump Nozzle Size\u003c\/strong\u003e: \u003cspan\u003e35\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSpacer Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eCarburetion\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSupercharger Compatible\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThrottle Bore Diameter\u003c\/strong\u003e: \u003cspan\u003e2.000 inch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eVenturii Size\u003c\/strong\u003e: \u003cspan\u003e1.690 inch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: \u003cspan\u003eManufacturer's Limited 90 Day Warranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":47328053395594,"sku":"HOL-0-80903HBM","price":1843.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_0-80903hbm17349_normalized.jpg?v=1776464824","url":"https:\/\/www.onlyinstock.com\/products\/holley-0-80903hbm-gen-3-marine-ultra-dominator-carburetor","provider":"Only In Stock","version":"1.0","type":"link"}