VertexWinderosa Cast Replica Piston Kit (23383A) Options:Piston Kit Multiple Spring Rates available to your motor uses the Multiple Spring Rates available to accommodate a wide range of riders 2012 2013 KAWASAKI ER 6n ER650 ABS 2014 2016 KAWASAKI EX250 Ninja ZZR250 R 2008 2012 KAWASAKI EX300 Ninja 300 2013 2017 KAWASAKI EX300 Ninja 300 ABS 2013 2017 KAWASAKI EX300 Ninja 300 ABS ES 2015 KAWASAKI EX300 Ninja 300 ABS SE 2014 2015 KAWASAKI EX300 Ninja 300 SE 2014 KAWASAKI EX300 Ninja 300 Winter Test ABS 2017 KAWASAKI EX650 Ninja 650 ABS 2017 2021 KAWASAKI EX650 Ninja 650R 2006 2013 KAWASAKI KLE300 Versys X ABS 2017 2020 KAWASAKI KLE650 Versys 2010 2013 KAWASAKI KLE650 Versys ABS 2014 2016 wrist pin and circlips C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow by and oil consumption