Rear Caliper Piston Kit KTM EXC 400 01-02, EXC 520 01-02, EXC 525 03, EXC-G 250 Racing 02-03, MXC 200 01-03, MXC 250 01, MXC 300 01-03, MXC 380 01, MXC 400 01-02, MXC 520 01-02, MXC-G 450 03, MXC-G 525 03, SX 125 01-02, SX 200 01-02, SX 250 01-02, SX 380 01-02, SXS 250 01, EXC 125 01-05, EXC 200 01-03, EXC 250 01-03, EXC 300 01-03, EXC 380 01-02