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Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor

Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor

Universal Fit, 4-Barrel Carburetor Barrels, Gasoline Fuel Type, No Choke Choke Type, Anodized

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Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
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Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
Holley 0-80903HB 1050 CFM Gen 3 Ultra Dominator Carburetor
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We estimate this item will ship on or before June 9th.
Part # 425080903HB
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Details

Carburetor Barrels:
4-Barrel
Fuel Type:
Gasoline
Choke Type:
No Choke
CFM Range:
1,000-1,099 CFM
CFM:
1050 CFM
Carburetor Flange Type:
4-Barrel Dominator
Finish:
Anodized
Material Type:
Aluminum
Color:
Gray
Secondary Type:
Mechanical
Model:
4500UHP
Fuel Inlet Type:
Dual
Booster:
Annular Billet Insert
Number of Circuits:
3
Emission Code:
3
Supercharged Application:
No
Throttle Bore:
2.000 inch
Venturi Diameter:
1.690 Inch
Bolt Hole Pattern:
5.375" x 5.375"
MFG. Part #:
0-80903HB
GTIN Code:
090127684542
Sold in Quantity:
Each

Info

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 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. Each calibration has been dyno and track tested to deliver proven performance!

  • All aluminum construction saves 3.8lbs. over original models (28% weight savings)
  • Hard Core Gray 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
  • 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!

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Installation Instructions (PDF)

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

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