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  • Holley 0-4412HBX 500 CFM Ultra XP 2BBL Carburetor
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2300-Alum-Ultra-Xp-500-Cfm-(Hard-Black)
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Holley 0-4412HBX 500 CFM Ultra XP 2BBL Carburetor

2 sold in last 8 days
Holley
ds_BBVL_0-4412HBX
Out of stock
Carburetor
$1,539.81 $1,401.01
customers are viewing this product
Holley 0-4412HBX 500 CFM Ultra XP 2BBL Carburetor
Details

The original Holley 0-4412 has powered thousands of racers to the winners' circle! How do you make it better Add the proven design elements of the popular Ultra series for more tunability, more durability, more weight savings and more features! The Ultra XP 2bbl carburetors feature all aluminum construction for nearly 50% weight savings over their zinc counterparts, contoured venturii inlet for unobstructed airflow, screw in air bleeds for easy fine tuning, black anodized fully adjustable billet aluminum metering block and baseplate, high capacity fuel bowl which features 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh and a centered air cleaner flange for improved airflow and performance. Other notable features include wedged floats, knurled hand adjustable curb idle screw and down leg boosters. Ultra XP 2bbl carburetors are approved for use in NASCAR (R) Mid-West/West Coast Late Model Divisions and utilize the same venturii and throttle bore dimensions of the classic 4412 2bbl carburetor. Available in shiny or Hard Core Gray finishes, the Ultra XP 2bbl will outperform any production 2bbl available.

Specifications:

Description_DEF Carburetor
Description_DES 500 CFM Ultra XP 2BBL Carburetor
Description_EXT Ultra XP Carburetor; 2 bbl; 500 cfm; Mech. Secondary; Gas; Dual Fuel Inlet; Model 2300 XP; E-85; Hard Core Gray w/Blk Metering Block/Base Plate;
Description_INV 2300 ALUM ULTRA XP 500 CFM (HARD BLACK)
Description_FAB All aluminum construction - for nearly 50% weight savings over zinc version
Description_FAB Hard Core Gray with Black (TM) billet aluminum metering block and base plate
Description_FAB No choke tower for unobstructed airflow
Description_FAB Air bleeds moved outward to allow a smoother transition of airflow
Description_FAB Air cleaner flange centered over venturii for improved airflow and performance. 5/16-18 bent air cleaner stud included
Description_FAB Down-leg boosters for improved fuel signal
Description_FAB Contoured hex head squirter screw for streamlined airflow
Description_FAB Internal pump passage on metering block equipped with tunable bleed off
Description_FAB Same 1-3/8" Venturii & 1-11/16" Throttle Bore size and Throttle Plate/Throttle Shaft size of original 0-4412
Description_FAB Fuel bowl provides 20% more fuel capacity while controlling slosh with internal baffling
Description_FAB Clear sight windows on both sides of bowl for easy & safe fuel level adjustments
Description_FAB Fuel trough designed into floor of bowl to route fuel flow directly to the jets and assists in keeping jets covered by fuel
Description_FAB Built in drain plug provides easy access to empty contents of bowl
Description_FAB -8 (O-ring) inlet threads offer a large variety of plumbing options (come with an extended -8 O-ring to -8AN male adapter and -8 plug). Can be plumbed from either side
Description_FAB Throttle shaft rides in oil impregnated sintered bronze bushings for smooth throttle actuation
Description_FAB Throttle shaft capped to prevent entry of debris & contaminates
Description_FAB 30cc pump with metal lever. Anti-siphon valve in mainbody to reduce pump pull over
Description_FAB Dedicated race-only throttle lever with all unnecessary street attachment points & tangs removed
Description_FAB Knurled (hand adjustable) curb idle screw allows for easy idle adjustment without the use of tools
Description_FAB Set screw for wide open throttle stop adjustment
Description_FAB Wedge float provides fuel control while cornering
Description_FAB 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Description_KEY holley; carburetor; carb
Description_MKT The original Holley 0-4412 has powered thousands of racers to the winners' circle! How do you make it better? Add the proven design elements of the popular Ultra series for more tunability, more durability, more weight savings and more features! The Ultra XP 2bbl carburetors feature all aluminum construction for nearly 50% weight savings over their zinc counterparts, contoured venturii inlet for unobstructed airflow, screw in air bleeds for easy fine tuning, black anodized fully adjustable billet aluminum metering block and baseplate, high capacity fuel bowl which features 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh and a centered air cleaner flange for improved airflow and performance. Other notable features include wedged floats, knurled hand adjustable curb idle screw and down leg boosters. Ultra XP 2bbl carburetors are approved for use in NASCAR (R) Mid-West/West Coast Late Model Divisions and utilize the same venturii and throttle bore dimensions of the classic 4412 2bbl carburetor. Available in shiny or Hard Core Gray finishes, the Ultra XP 2bbl will outperform any production 2bbl available.
Description_SHO Carburetor
Fuel Type Gasoline
Emission Without EGR
Product Type Carburetor
Usage Racing
Barrels 2
Primary Pump Nozzle Size 28
Finish Hard Core Gray
Booster Down Leg
Emission Code 3
Warranty Limited 90 Day
Material Aluminum
Choke None
Secondary Type None
Billet Color Hard Core Gray with Black
Barrel Two
Carburetor Type 2300
Flange 2bbl/2300
Fuel Gasoline
Marine Use No
Model 2300
Throttle Bore 1.688 inch
Venturii Size 1.376 inch
CFM 500
Fuel Inlet Single
WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65 Yes
Booster Type Down Leg
Type Automotive
Supercharged Application No
Primary Main Jet 74
Brand Holley
Carburetor Use Performance and Race
Condition New
Secondaries None
Warning California Proposition 65
Sale Category Carburetors and Components
Primary Power Valve 3.5
Length 8.0000
Width 11.0000
Height 13.0000
Weight 5.0000
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