500 CFM Ultra XP 2BBL Carburetor - 0-4412HBX street-carbs Designed for GM 4

Designed for GM 4

7L V8 1970 - 1972 GMC Jimmy 350/5

3L V6 1979 - 1982 Oldsmobile Cutlass Supreme 260/4

1964-1967 Mercury Caliente

500 CFM Ultra XP 2BBL Carburetor - 0-4412HBX street-carbs Designed for GM 4Overview: 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