Each ring set is for one piston. Wiseco rings only fit Wiseco pistons.

Vehicle Fitment:
2007-2014 fits YAM YFM350 Grizzly 4x4 Auto
2007-2012 fits YAM YFM350 Grizzly Auto
2014 fits YAM YFM350 Grizzly Auto
2007-2012 fits YAM YFM350 Grizzly IRS 4x4 Auto
2004-2013 fits YAM YFM350 Raptor
2006-2009 fits YAM YFM350 Wolverine
1987-1995 fits YAM YFM350ER Moto-4
1995-2005 fits YAM YFM350F Wolverine 4x4
1987-1999 fits YAM YFM350FW Big Bear 4x4
1997-1999 fits YAM YFM350U Big Bear 2x4
1987-2004 fits YAM YFM350X Warrior