Manufacturer: Holley
Part Number: 0-80903BK
Condition: New

Product Description:

Carburetor

Gen 3 Ultra Dominator HP Race Carburetor

Gen 3 Ultra Dominator HP Race Carburetor; 4bbl; 1050cfm; 3 Circuit Metering; 1x4 Gas; Model 4500UHP; Dual Fuel Inlet; No Choke; Shiny w/Black Metering Blocks/Booster Inserts;


SPECIFICATIONS:
  • Barrel: Four
  • Billet Color: Shiny with Black Billet
  • Booster Type: Annular Billet Insert
  • Carburetor Type: 4500
  • CFM: 1050
  • Choke: None
  • Circuit: 3
  • Emission: Without EGR
  • Finish: Shiny
  • Flange: 4500
  • Fuel Inlet: Dual
  • Fuel Type: Gasoline
  • High Speed Air Bleed: 40
  • Idle Air Bleed Size: 53
  • Intermediate Air Bleed: 63
  • Material: Aluminum
  • Needle and Seat Size: 120;120
  • Primary Main Jet: 84
  • Primary Power Valve: 5.5
  • Secondary Main Jet: 94
  • Secondary Pump Nozzle Size: 35
  • Secondary Type: Mechanical
  • Supercharged Application: No
  • Throttle Bore: 2.000 in.
  • Type: Automotive
  • Usage: Racing
  • Venturii Size: 1.690 in.
  • WARNING CA Proposition 65: Yes
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

FEATURES:
  • All Aluminum Construction Saves 3.8 lbs. Over Original Models
  • 28% Weight Savings
  • Calibrations For Todays Larger Race Engines and New Fuels
  • Fully Machined From Venturi Throat To Throttle Bore
  • Integrated Idle Bypass Valve Allows For Adjustment Of Idle
  • 12 Hole Billet Booster Superior Atomization/Throttle Response
  • Metering Blocks Feature Improved True Gasket Sealing
  • Dual 50CC Accelerator Pumps Fuel From Idle To Full Throttle
  • Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
  • Clear Sight Windows On Sides Of Bowl For Fuel Level Adjustments
  • Drain Plug On Bowl Provides Easy Access To Empty Bowl
  • Contoured Hex Head Squirter Screws For Streamlined Airflow

The original Dominator(R) took carburetion to another level in 1969 when it was developed for NASCAR(R) racing. It has been refined over the years and 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 and sizes up to 1475 CFM!The 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 and track tested to deliver proven performance!

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.

Additional Information:

DISCLAIMER: All product data including title, description, compatibility table, and photos have been provided by a third party listing tool and may contain typographical errors. Please refer to the manufacturer's website to verify the part number will fit your vehicle before purchasing.

Guaranteed Fitments:

Please check the compatibility tab to confirm if this part will fit your vehicle. If the compatibility tab is unavailable and you are unsure whether this part will fit your vehicle, please contact us before purchasing.



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