Holley DP Fuel Bowl Secondary fuel bowl for any 4bbl Holley that has a center hung float and rear accelerator pump. This will be the same for 4150 double pumper carburetors, and hp model carbs. This is the same as Holley 134-104. No gaskets or fittings come with this item. This is available in the Classic Gold or ACFI Bright Zinc finish. USe the drop down menu to choose the finish.