Holley 4150 secondary fuel bowl quick change jet kit by Holley 34-27. Feature single inlet and no accelerator pump. Designed for the center hung style fuel bowl, the kit will allow you to change jets without having to remove the fuel bowl. Simply unscrew the jet plugs which thread into the bowl and use the Holley jet tool to remove the old jet. Screw in the new jets, replace the plugs and you're ready to ride! Holley quick change jet kits come complete, ready for installation. Includes the quick change secondary fuel bowl, gaskets, washers, seals, fuel bowl plugs and jet tool.
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