Holley 0-4412EX 2300 ALUM ULTRA XP 500 CFM (HARD BLACK)

Ultra XP Carburetor; 2 bbl; 500 cfm; Mech. Secondary; Gas; Dual Fuel Inlet; Model 2300 XP; Gas; Hard Core Gray w/Hard Core Gray Metering Block/Base Plate;

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Xtreme Performance - Holley Ultra XP(TM) Circle Track Carburetors! Ultra XP carbs are 38% lighter than our original HP, have fuel capacity that is 20% greater and 30 other new features! They're available in our Hard Core Gray(TM) hard coat anodized finish with Black(TM) billet for improved corrosion protection & also available in natural tumble-polished aluminum with Black(TM) metering blocks and base plate. The Aluminum Ultra XP Cirlce Tracks are available in 650 & 750 CFM's. Holley Ultra XP carburetors are Specifically Calibrated for Circle Track & offer new features such as anti-siphon valve in the main body; high capacity HP 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, fully tunable billet metering blocks, billet base plate, wedge floats, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!

• E85 Fuel Compatible
• No Choke Tower For Unobstructed Airflow
• Air Bleeds Moved Outward Allow Smoother Transition Of Airflow
• Down-Leg Boosters For Improved Fuel Signal
• Contoured Hex Head Squirter Screw For Streamlined Airflow
• Internal Pump Passage On Metering Block w/Tunable Bleed Off
• Built In Drain Plug Provides Easy Access to Empty Bowl
• Fuel Bowl Provides 20% More Fuel Capacity Controls Slosh
• Clear Sight Window On Both Sides Of Bowl For Fuel Level Adjust
• All Aluminum Construction
• Black Billet Aluminum Metering Block and Base Plate

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Application Summary:

Year	Make/Model
Holley	carbs have powered more racers than all others combined and we ve just changed the game again. Holley is proud to introduce the all new Ultra XP 2 Barrel. Holley 2 barrels have been a mainstay in oval track racing for decades
but	racers always want more. They want more tuning ability
more	durability
more	weight savings and more features
so	Holley listened and designed the all new Ultra XP 2bbl. Delivering the proven results of the Ultra XP 4bbl but now in a 500 CFM 2bbl and E85 Fuel Compatible. It s all aluminum so it provides nearly 50% weight savings. It has no choke tower and an all new air entry area for smoother air flow
yet	it retains the critical venturi and throttle bore dimensions for rule racing. It has large capacity XP fuel bowl
wedged	float
dedicated	race-only throttle lever
billet	metering block/base plate
plus	much more. The new Ultra XP 2bbl carbs for E85 are available in Black Billet Finish

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