Holley 0-4412HBX Ultra XP Carburetor Holley 0-4412HBX

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 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_DES	Ultra XP 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_FAB	All Aluminum Construction
Description_FAB	No Choke Tower For Unobstructed Airflow
Description_FAB	Air Bleeds Moved Outward Allow Smoother Transition Of Airflow
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 w/Tunable Bleed Off
Description_FAB	Built In Drain Plug Provides Easy Access to Empty Bowl
Description_FAB	Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
Description_FAB	Clear Sight Window On Both Sides Of Bowl For Fuel Level Adjust
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 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