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)(minimize)
Description: 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.