Significant performance improvements over older round slide carbs. Flat slide design helps create a smooth bore effect, increasing airflow. Great throttle response because of more precise fuel metering. All are center-pull style throttle unless noted by footnote. Jetting may need to be changed per application; see chart for included jetting.Use geniune Mikuni jets and parts for best results. Item Sells only ONE part, picture shows different angles. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Carburetors & Parts". The seller is "qeautoparts1" and is located in this country: US. This item can be shipped worldwide.