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Holley 2300 Aluminum Ultra XP 500 CFM 2-Barrel Carburetor, Black

Holley 2300 Aluminum Ultra XP 500 CFM 2-Barrel Carburetor, Black

Holley 2300 Aluminum Ultra XP 500 CFM 2-Barrel Carburetor, Black

Item # 0-4412HBX
$789.99

Item Information

• All aluminum construction for nearly 50% weight savings over zinc version
• Hard Core Gray with Black™ billet aluminum metering block and base plate
• No choke tower for unobstructed airflow
• Air bleeds moved outward to allow a smoother transition of airflow
• Air cleaner flange centered over venturii for improved airflow; 5/16-18 bent air cleaner stud included
• Down-leg boosters for improved fuel signal
• Same 1-3/8” Venturii & 1-11/16” Throttle Bore size and Throttle Plate/Throttle Shaft size of original 0-4412
• Clear sight windows on both sides of bowl for easy & safe fuel level adjustments
• -8 O-ring inlet threads offer a variety of plumbing options (come with an extended -8 O-ring to -8AN male adapter and -8 plug)
• Throttle shaft rides in oil impregnated sintered bronze bushings for smooth throttle actuation
• 30cc pump with metal lever; anti-siphon valve in mainbody to reduce pump pull over
• Dedicated race-only throttle lever with all unnecessary street attachment points & tangs removed
• Set screw for wide open throttle stop adjustment

NOTE: Due to the California Air Resources Board (CARB) restrictions, we no longer ship carburetors to the state of California.