PROFORM
Performance Carburetor Rebuild Kit; Fits Holley vacuum secondary 4 bbl, 450, 550, 600, 750, & 780 CFM (includes early versions of the list 3310 as well as universal carbs upgraded with secondary metering block)
Performance rebuild kits include machined needle and seat assemblies, accelerator pump diaphragms, and precision non-stick die-cut gaskets with nylon inlet nut and bowl screw gaskets. Can be used with any racing gasoline. May not be legal for sale or use in California or on many pollution controlled vehicles |
