Features: Piston Diameter: 9/16 (14.3mm) Mirror Hole: M101.25 Right Hand Thread Banjo Bolt: M101.25 Suitable for 7/8 Handlebar This is a high quality replacement brake master cylinder for Honda ATV. Advanced materials, precision manufacturing, so that the brake master cylinder can get enough pressure and last longer. Package: Brake Master Cylinder Assy 1 Fits the following Honda ATVs: TRX300FW 1988-2000 1988 TRX300FW A – FOURTRAX 1990 TRX300FW A – FOURTRAX 4X4 1991 TRX300FW A – FOURTRAX 4X4 1991 TRX300FW AN – FOURTRAX 4X4 1992 TRX300FW A – FOURTRAX 4X4 1992 TRX300FW AN – FOURTRAX 4X4 1993 TRX300FW A – FOURTRAX 300 4X4 1993 TRX300FW AN – FOURTRAX 300 4X4 1994 TRX300FW A – FOURTRAX 300 4X4 1994 TRX300FW AN – FOURTRAX 300 4X4 1995 TRX300FW A – FOURTRAX 300 4X4 1995 TRX300FW AN – FOURTRAX 300 4X4 1996 TRX300FW A – FOURTRAX 300 4X4 1996 TRX300FW AN – FOURTRAX 300 4X4 1997 TRX300FW A – FOURTRAX 300 4X4 1997 TRX300FW AN – FOURTRAX 300 4X4 1998 TRX300FW A – FOURTRAX 300 4X4 1998 TRX300FW AC – FOURTRAX 300 4X4 1999 TRX300FW A – FOURTRAX 300 4X4 1999 TRX300FW AC – FOURTRAX 300 4X4 2000 TRX300FW A – FOURTRAX 300 2000 TRX300FW AC – FOURTRAX 300 4X4