High quality oil seals designed for the needs of todays high RPM engines. High chromium content stainless steel alloy spring for maximum performance and corrosion resistance. A must to replace when your engine is apart. This item fits H-D the following vehicle applications: fits Sea-Doo™ XP800 1995 fits Ski-Doo™ Formula Mach 1 1991-1992 fits Ski-Doo™ Formula Mach 1 XTC 1991 fits Ski-Doo™ Formula MX 1992-1995 fits Ski-Doo™ Formula MX 1988-1990 fits Ski-Doo™ Formula MX LT 1988-1990 fits Ski-Doo™ Formula Plus 1988 fits Ski-Doo™ Formula Plus X 1992-1993 fits Ski-Doo™ Formula Plus XTC 1992-1993 fits Ski-Doo™ Formula STX 1994-1996 fits Ski-Doo™ Formula XTC 1992 fits Ski-Doo™ Formula Z 1994-1996 fits Ski-Doo™ Formula Z 583 1998-1999 fits Ski-Doo™ Grand Touring 1993-1994 fits Ski-Doo™ Grand Touring 470 1995 fits Ski-Doo™ Grand Touring 583 1997-1999 fits Ski-Doo™ Mach 1 1994 fits Ski-Doo™ MX Z 583 1996-1998 fits Ski-Doo™ Safari GLX 1990-1991 fits Ski-Doo™ Safari LC 1990 fits Ski-Doo™ Summit 470 1994 fits Ski-Doo™ Summit 583 1994-1998