Compatible with Honda models that follow: *1988 Fourtrax 300 2x4 (TRX300) *1988 Fourtrax 300 4x4 (TRX300FW) *1989 Fourtrax 300 2x4 (TRX300) *1989 Fourtrax 300 4x4 (TRX300FW) *1990 Fourtrax 300 2x4 (TRX300) *1990 Fourtrax 300 4x4 (TRX300FW) *1991 Fourtrax 300 2x4 (TRX300) *1991 Fourtrax 300 4x4 (TRX300FW) *1992 Fourtrax 300 2x4 (TRX300) *1992 Fourtrax 300 4x4 (TRX300FW) *1993 Fourtrax 300 2x4 (TRX300) *1993 Fourtrax 300 4x4 (TRX300FW) *1993 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *1994 Fourtrax 300 2x4 (TRX300) *1994 Fourtrax 300 4x4 (TRX300FW) *1994 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *1995 Fourtrax 300 2x4 (TRX300) *1995 Fourtrax 300 4x4 (TRX300FW) *1995 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *1996 Fourtrax 300 2x4 (TRX300) *1996 Fourtrax 300 4x4 (TRX300FW) *1996 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *1997 Fourtrax 300 2x4 (TRX300) *1997 Fourtrax 300 4x4 (TRX300FW) *1997 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *1998 Fourtrax 300 2x4 (TRX300) *1998 Fourtrax 300 4x4 (TRX300FW) *1998 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *1999 Fourtrax 300 2x4 (TRX300) *1999 Fourtrax 300 4x4 (TRX300FW) *1999 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2000 Fourtrax 300 2x4 (TRX300) *2000 Fourtrax 300 4x4 (TRX300FW) *2000 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2001 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2002 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2003 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2004 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2005 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2006 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2007 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2008 TRX300EX Sportrax (***Will NOT fit OEM Piston***) *2009 TRX300X Sportrax (***Will NOT fit OEM Piston***)