Size STD 76mm Pin Dia 17mm Motorcycle Engine Parts Piston Ring Part For CBR1000 2008-2018 2009 2010 2011 2012 2013 2014 This piston ring is designed for motorcycles with a 76mm cylinder bore and 17mm piston pin diameter.It fits engine models used in select years from 2008 to 2018.The part is intended for use during engine rebuilds or performance maintenance.It is compatible with specific inline-four cylinder engines where standard size components are required.The ring set includes the necessary compression and oil rings to restore proper sealing and engine function.Installation requires standard mechanical tools and knowledge of engine assembly procedures.