Yamaha R3 Supersport Package. Dano’s Performance has developed this Supersport Package for the 2015-18 Yamaha R3 models. 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 9-10 horsepower (54-55 horsepower output). The following is all that is included in our Yamaha R3 Supersport. 1 Cylinder head porting which maximizes intake and exhaust air flow. 2 Install new valve stem seals. 3 Resurface cylinder head base. 4 Custom intake and exhaust race cams. 5 Custom high compression Head gasket. 6 Manual cam chain tensioner for precise cam timing. 7 Three angle valve job. Cylinder head will be complete and ready to bolt back on to your engine. This product is only available to U.