Kawasaki Ninja 500 Superbike Package. Dano’s Performance has developed this Superbike Package for the 2024 Kawasaki Ninja 500. One of the great features of this package is that you only need to remove is the cylinder head to install it. The typical horsepower gain achieved with this package is 11-13 horsepower (69-71 horsepower output). The following is all that is included in our Kawasaki Ninja 500 Superbike. 1 Cylinder head porting which maximizes intake and exhaust air flow. 2 Install new valve stem seals. 3 Resurface cylinder head base. 4 Performance intake and exhaust cams. 5 High compression Head gasket. 6 Manual cam chain tensioner for precise cam timing. 7 Three angle valve job. 8 Custom velocity stacks with modified air box for more air flow. Cylinder head will be complete and ready to bolt back on to your engine. This product is only available to U.