These secondary clutch rollers are used in almost all Team snowmobile secondary clutches. The helix rides against these rollers so they can wear out over time or even break if the machine is rode hard. Replace them before they damage the helix or clutch. Sold as a set of TWO. Exact replacement for Polaris part number 5434534. Each clutch uses FOUR of these rollers so order two sets if rebuilding the whole clutch.