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

$213 Off

#425080903BK

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

Name: Holley 0-80903BK 1050 CFM Gen 3 Ultra Dominator Carburetor
Brand: Holley
SKU: 425080903BK
Price: 1699.95 USD
Availability: InStock

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$1,699.95

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$1,912.95

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Product Summary

Universal Fit, 4-Barrel Carburetor Barrels, Polished

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Key Specs

Carburetor Barrels	4-Barrel
Fuel Type	Gasoline
Choke Type	No Choke
CFM Range	1,000-1,099 CFM
CFM	1050 CFM

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Holley 0-80903BK Details

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)
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
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!

Installation Instructions (PDF)

Guides & Documents

Determining the Best Performance Carburetor For Your Application

Carburetors Installation Instructions (425080903BK)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Holley 0-80903BK Specifications

KEY SPECS
MFG. Part #	0-80903BK
Brand	Holley
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	Polished
Material Type	Aluminum
Color	Black
Secondary Type	Mechanical
Fuel Inlet Type	Dual
Gasket(s) Included	Yes
New or Remanufactured	New
Throttle Linkage Type	Universal
Supercharged Application	No

GENERAL
Model	4500UHP
Bolt Hole Pattern	5.375" x 5.375"
GTIN Code	090127684429
Sold in Quantity	Each

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