Top End Piston Kit - 76.96 Mm - Yamaha Yz250F Vtktc23391B

All pistons are heat treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeCast...

Prox Piston Kit - 76.96 Mm - Yamaha Yz250F 01.2412.B Yamaha -- YZ 250 F -- (2013, 2012)

Top End Piston Kit - 76.95 Mm - Yamaha Yz250F Vtktc23391A Yamaha -- YZ 250 F -- (2011, 2010, 2009, 2013, 2008, 2012)