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Location: Fort Smith, Arkansas, United States
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Item: 404214911938
eBay You are bidding on a Brand New Holley 1250 CFM Gen 3 Ultra Dominator Carburetor, Shiny with Black Billet, No Choke, 4500 Model, 3 Circuit (Holley Part #0-80908BK). The original Dominator took carburetion to another level in 1969 when it was developed for NASCAR racing. It has been refined over the years & has received its biggest change ever. The Gen 3 Ultra Dominator features a brand new main–body, brand new state of the art calibrations, high volume fuel bowls & sizes up to 1475 CFM! The patent pending GEN 3 main–body is 5/16″ 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 & 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 & knurled (hand adjustable) curb idle screws. NOTE: New 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). Center to center fuel inlet measurement is now 11.5″ Features: All aluminum construction saves 3.8lbs. over original models (28% weight savings) Shiny with black anodized billet aluminum metering block and booster inserts Designed for use on Drag race, Pro Street, or any high horsepower engines Calibrations optimized for today’s larger race engines and new fuels Fully machined from venturii throat to throttle bore for predictable & 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 & idle feed restrictors) Dual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle Fuel bowls provide 20% 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. No linkage parts under the carburetor 100% wet-flow tested by Holley technicians to assure it arrives ready to run! Specs: Barrels: 4 Billet Color: Shiny w/ Black Billet Booster: Annular Billet Insert CFM: 1250 Choke: None Circuit: 3 Finish: Shiny Fuel: Gas Fuel Inlet: Dual High Speed Air Bleed: 34 Idle Air Bleed Size: 51 Intermediate Air Bleed: 70 Material: Aluminum Model: 4500 Needle & Seat Size: 120;120 Primary Main Jet: 92 Primary Power Valve: 5.5 Primary Pump Nozzle Size: 40 Product Type: Carburetor Secondaries: Mechanical Secondary Main Jet: 102 Secondary Pump Nozzle Size: 40 Supercharged Application: No Throttle Bore: 2.125″ Venturii Size: 1.880″ We also have thousands of other High Performance Parts in our store. Shipping: There is no faster shipping on Ebay. If you pay for the item by 5:00 Eastern, Monday-Friday, we will ship it the same day. If it’s after 5:00 EST, we will ship it the next business day. If you pay for the item on the weekend, we will ship it out Monday. Ebay now requires that sellers put a “handling time” on each item and “1 Business Day” is the shortest listed option. WE DON’T HAVE A HANDLING TIME. We ship same day in accordance with the paragraph above. No delays here. We want you to have the parts as bad as you do. Shipping is free on this item to anywhere in the United States. We will be glad to ship internationally. Just email us for an international shipping quote. Accepted payment methods: We accept Paypal. If buyer doesn’t have a Paypal account, he or she can pay with Visa, Mastercard, or Discover through seller’s merchant account.
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