Empi's dual carb kit in the 44 set up. These dual carbs come with both velocity stacks and chrome air cleaners are included. Hex bar linkage with steel ball ends. Empi Carbs are ran and set before boxing up. Watch the tech videos online along with the detailed instructions to make sure you have a great installation experience. Empi Carbs have come a long way and you will be pleasantly surprised with these carbs and their performance.