Rear Caliper Piston Kit Husqvarna FE 350 17, FE 450 17, FE 501 17, FX 350 17, TE 150 17, KTM EXC-F 250 17-19, EXC-F 350 17-22, EXC-F 450 20, EXC-F 450 Six Days 17-19, EXC-F 500 17-22, EXC-F 500 Six Days 20-22, XC-FW 350 20-22, XC-FW 500 21-22, XC-W 150 17-19, XC-W 150 TPI 20-22, XC-W 250 17-18, XC-W 250 TPI 18-22, XC-W 300 17-18, XC-W 300 Six Days 17-18, XC-W 300 TPI 19-22, XC-W 300 TPI ERZBERGRODEO 20, XC-W 300 TPI Six Days 20