Compatible with TRX300FW Fourtrax 300 4x4 1992-2000. TRX300 Fourtrax 300 2x4 1992-2000. 2 x Rear Axle Nut | 90308-HC4-000 90308-HM5-930. Rear Axle Shaft Nuts / Taper Washer / O-Ring / Split Pin Kit. 2 x Rear Axle Nut | 90307-HC4-000 90307-HM5-930.