These front shocks work on the following models:
2013-2014 4X4 Arctic Cat 400 TRV CORE
2011-2013 4X4 Arctic Cat 400 TRV
2010-2012 4X4 Arctic Cat 450
2013-2014 4X4 Arctic Cat 500 XT
2010 4X4 Arctic Cat 500 HI EFI
2013-2014 4X4 Arctic Cat 550 XT
2014-2015 4X4 Arctic Cat 550 TRV LTD
2013-2015 4X4 Arctic Cat 550 TRV XT
2011-2012 4X4 Arctic Cat 550 TRV GT
2010 4X4 Arctic Cat 550 TRV H1 EFI
2009 4X4 Arctic Cat 550 TRV
2009-2011 4X4 Arctic Cat 550 H1 EFI
2010-2012 4X4 Arctic Cat 650 FIS
2009 4X4 Arctic Cat 650 H1
2017 4X4 Arctic Cat 700 ALTERRA TRV
2016-2017 4X4 Arctic Cat 700 TBX EPS
2010, 2013-2015 4X4 Arctic Cat 700 TBX
2013-2014 4X4 Arctic Cat 700 TBX XT
2012 4X4 Arctic Cat 700 TBX GT
2011 4X4 Arctic Cat 700 TBX S H1 EFI
2011 4X4 Arctic Cat 700 TBX LTD
2010 4X4 Arctic Cat 700 TBX H1 EFI
2016 4X4 Arctic Cat 700 TRV T3S
2008-2014, 2016 4X4 Arctic Cat 700 TRV
2014-2015 4X4 Arctic Cat 700 TRV XT
2013-2015 4X4 Arctic Cat 700 TRV LTD
2014 4X4 Arctic Cat 700 TRV Core
2011-2012 4X4 Arctic Cat 700 TRV GT
2010 4X4 Arctic Cat 700 TRV H1 EFI / TRV H1 EFI CRUISER
2010 4X4 Arctic Cat 700 S TRV EFI
2008 4X4 Arctic Cat 700 TRV CRUISER
2013-2014 4X4 Arctic Cat 700 XT
2008-2015 4X4 Arctic Cat 700 LTD / LE
2008, 2011-2012, 2015 4X4 Arctic Cat 700 DIESEL
2014 4X4 Arctic Cat 700 DIESEL EFT
2011, 2012-2013 4X4 Arctic Cat 700 Super Duty Diesel
2008-2013 4X4 Arctic Cat 700 AUTOMATIC H1
2011-2013 4X4 Arctic Cat 700 S/SE/GT
2008-2010 4X4 Arctic Cat 700 H1 FIS
2013-2016 4X4 Arctic Cat 1000 XT
2010-2015 4X4 Arctic Cat 1000 MUD PRO
2009-2010, 2015 4X4 Arctic Cat 1000 TRV
2014 4X4 Arctic Cat 1000 TRV LTD
2008-2010 4X4 Arctic Cat 1000 THUNDERCAT FIS
2013 4X4 Arctic Cat 1000 LTD