The first major breakthrough in wear bar technology since the 1950s.Unique corner-carving hourglass design yields better control at speed with no increased steering effort.Better tracking on trailshourglass wear bar shape catches snow from ski sides to make steering more positive.Average of 1 - 2 tighter turning radius in soft snow conditions.20% lighter than conventional 1/2 diameter round wear bars.Zinc-plated for corrosion resistance.Lifetime wear rate is nearly equal to current round and square wear bar types.Manufactured by Stud Boy.Designed and tested by USI.Sold in pairs.Sold in pairs.Some models require drilling extra holes in the skis.7 1/2in. of 60deg. cutting carbide.Two 1 1/2in. carbide wear padsThis item fits the following vehicle applications:compatible with Polaris 550 INDY 2014-2019compatible with Polaris 550 INDY 144 2014-2018compatible with Polaris 550 INDY Adventure 144 2014-2019compatible with Polaris 550 INDY Adventure 155 2015-2019compatible with Polaris 550 INDY LXT 2014-2015compatible with Polaris 550 INDY LXT 144 Blue Fire Metallic 2017compatible with Polaris 550 INDY LXT 144 Indy Red 2017compatible with Polaris 550 INDY LXT 144 Turbo Silver 2016compatible with Polaris 550 INDY LXT 144 Vogue Silver 2018compatible with Polaris 550 INDY LXT 144 White Lightning 2016compatible with Polaris 550 INDY LXT Sonic Blue 2018compatible with Polaris 550 INDY LXT Sunset Red 2019compatible with Polaris 550 INDY LXT White Lightning 2019compatible with Polaris 550 INDY Voyageur 144 2015-2016compatible with Polaris 550 INDY Voyageur 155 2015-2016compatible with Polaris 550 Voyageur 144 2017-2018compatible with Polaris 550 Voyageur 155 2017-2019compatible with Polaris 550 WideTrak LX 2017-2019compatible with Polaris 600 INDY SP 2013-2018compatible with Polaris 600 INDY SP 129 2019compatible with Polaris 60