Jetting for (50-100-150-200-250-300-350-400 HP Jet pack includes these jet sizes: .035, .052, .062, .078, .088, .099, .110, .125 For use with Dry Puck Systems Flared jet Precision cut orifice This jetting is for use with Nitrous Outlet Dry Puck Systems and includes jets for nitrous only.