Ring Sets by Sports Parts.

1999 fits Ski-Doo Formula Deluxe 670
1989-1992 fits Ski-Doo Formula Mach 1
1990-1991 fits Ski-Doo Formula Mach 1 XTC
1993 fits Ski-Doo Formula Mach 1 XTC
1995-1996 fits Ski-Doo Formula SS
1994 fits Ski-Doo Grand Touring
1994 fits Ski-Doo Mach 1
1996 fits Ski-Doo Mach 1
1997-1998 fits Ski-Doo MX Z 670
1995-1997 fits Ski-Doo Summit 670