These rear shocks are compatible with the following models
2005 Ranger 500 XP
2006 - 2009 Ranger 500 2X4
2006 - 2008 Ranger 500 4X4
2009 - 2010 Ranger 500 4X4 EFI
2006 - 2008 Ranger 700 XP 4X4
2006 - 2009 Ranger 700 4X4 EFI All
2008 - 2009 Ranger 700 4X4 EFI Crew
2010 - 2014 Ranger 800 4X4 EFI All
2010 - 2014 Ranger 800 4X4 EFI Crew