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Holley 0-80901HB Gen 3 Ultra Dominator (R) HP Race Carburetor

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Brand: Holley

SKU: ds_BBVL_0-80901HB

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Product Code: Carburetor

$2,416.15

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Holley 0-80901HB Gen 3 Ultra Dominator (R) HP Race Carburetor

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Details

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!

Specifications:

Description_ASC	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"
Description_DEF	Carburetor
Description_DES	Gen 3 Ultra Dominator (R) HP Race Carburetor
Description_FAB	All aluminum construction saves 3.8lbs. over original models (28% weight savings)
Description_FAB	Hard Core Gray with black anodized billet aluminum metering block and booster inserts
Description_FAB	Designed for use on Drag race, Pro Street, or any high horsepower engines
Description_FAB	Calibrations optimized for today's larger race engines and new fuels
Description_FAB	Fully machined from venturii throat to throttle bore for predictable & repeatable performance
Description_FAB	Integrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship
Description_FAB	12 hole billet booster inserts for superior atomization and crisp throttle response
Description_FAB	Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
Description_FAB	Dual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
Description_FAB	Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
Description_FAB	Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
Description_FAB	Built in drain plug in front center of bowl provides easy access to empty contents of bowl
Description_FAB	-8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
Description_FAB	Factory ready TPS mounting points for use with data acquisition systems (Holley TPS P/N 534-214 available)
Description_FAB	Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
Description_FAB	Contoured hex head squirter screws for streamlined airflow
Description_FAB	Fully adjustable stainless steel external linkage can be adjusted for 1:1 progressive, or soft progressive throttle activation. No linkage parts under the carburetor
Description_FAB	100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Description_INV	4500 950 CFM 2 CIR - HARD BLACK
Description_EXT	Gen 3 Ultra Dominator (R) HP Race Carburetor; 4 bbl; 950 cfm; 2 Circuit Metering; Model 4500UHP; 1x4 Gas; No Choke; Dual Fuel Inlet; Gray w/Black Metering Blocks/Booster Inserts;
Description_SHO	Carburetor
Description_MKT	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!
Finish	Hard Core Gray
Booster	Annular Billet Insert w/ Skirt
Product Type	Carburetor
Warranty	Limited 90 Day
Secondary Type	Mechanical
Fuel Type	Gasoline
Emission	Without EGR
Choke	None
Flange	4500
Billet Color	Hard Core Gray with Black
Barrels	4
Model	4500
WARNING CA Proposition 65 Message	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Carburetor Type	4500
Needle and Seat Size	120;120
Fuel Inlet	Dual
Secondary Pump Nozzle Size	35
Idle Air Bleed Size	63
Barrel	Four
WARNING CA Proposition 65	Yes
Material	Aluminum
Condition	New
Marine Use	No
Throttle Bore	2.000 inch
Warning	California Proposition 65
Circuit	2
Type	Automotive
Secondary Main Jet	90
Primary Main Jet	80
Brand	Holley
Carburetor Use	Professional Race
Emission Code	4
Secondaries	Mechanical
Venturii Size	1.690 inch
Booster Type	Annular Billet Insert w/ Skirt
High Speed Air Bleed	36
Primary Power Valve	5.5
CFM	950
Usage	Racing
Supercharged Application	No
Fuel	Gasoline
Primary Pump Nozzle Size	35
Length	10.0000
Width	13.0000
Height	15.0000
Weight	11.0000

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