<p><b>Brand New Holley 950 CFM Gen 3 Ultra Dominator Carburetor, Shiny with Black Billet, No Choke, 4500 Model (Holley Part #0-80901BK)</b></p> <p>The original Dominator took carburetion to another level in 1969 when it was developed for NASCAR racing. 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!</p> <p>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.</p> <p><b>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"</b></p> <ul><b>Specs:</b> <li><b>Barrels:</b> 4</li> <li><b>Billet Color:</b> Shiny w/ Black Billet</li> <li><b>Booster:</b> Annular Billet Insert w/ Skirt</li> <li><b>CFM:</b> 950</li> <li><b>Choke:</b> None</li> <li><b>Circuit:</b> 2</li> <li><b>Finish:</b> Shiny</li> <li><b>Fuel:</b> Gas</li> <li><b>Fuel Inlet:</b> Dual</li> <li><b>High Speed Air Bleed:</b> 36</li> <li><b>Idle Air Bleed Size:</b> 63</li> <li><b>Material:</b> Aluminum</li> <li><b>Model:</b> 4500</li> <li><b>Needle & Seat Size:</b> 120;120</li> <li><b>Primary Main Jet:</b> 80</li> <li><b>Primary Power Valve:</b> 5.5</li> <li><b>Primary Pump Nozzle Size:</b> 35</li> <li><b>Product Type:</b> Carburetor</li> <li><b>Secondaries:</b> Mechanical</li> <li><b>Secondary Main Jet:</b> 90</li> <li><b>Secondary Pump Nozzle Size:</b> 35</li> <li><b>Supercharged Application:</b> No</li> <li><b>Throttle Bore:</b> 2"</li> <li><b>Venturii Size:</b> 1.690"</li> </ul>