You are bidding on a pair of NOS 2011 X 4007 RH and 2011 X 4008 LH bogie springs. Fits Skiroule snowmobiles with bogie suspension. NOTE: This is OEM not aftermarket. These pieces are getting hard to find. NOTE: May have slight shelf wear. Please check your application before bidding. Please view all photos before bidding. All items sold as is.