OEM Arctic Cat Snowmobile Black 8" Rear Idler Wheel Kit 6639-621

One new Arctic Cat rear idler wheel kit, part number 6639-621. 

Features; 

This kit adds 2 outside idler wheels help keep the track properly aligned. 

They also help spread the load evenly across the entire track. It is recommended to add this kit when adding studs to the track.

***Please note that the 2016 ZR's can come in both the 129" track and the 137" track. This kit will only fit the 137" track. It will NOT fit the 129" track.****

This kit includes;

2) idler wheels

2) spacer blocks

2) washers

2) screws

Instructions

This will fit;

2016-2018 ZR 137"
2014-2018 XF 137"
2012-2015 XF 141"
2013-2015 XF CrossTour 141"
2012-2019 XF High Country 141" & 153"
2016-2019 M 141"
2012-2019 M 153" & 162"
(Excludes WILL NOT FIT 2019 ZR & XF 137")
(Excludes WILL NOT FIT 2016-2018 XF CrossTour 146")
(Excludes WILL NOT FIT 2019 M Hardcore, rail brace interferes)
(Excludes WILL NOT FIT 2019 M Alpha One)