Athena Top End Rebuild Kit (Cast Lite Piston + Top Set + Small End) KTM 300 EXC 17-23, 300 XC 20-22, 300 XC-W 19-23, Husqvarna TE300 19-23, TX300 20-22, Gas Gas EC300 21-23, EX300 21-23 (71.94mm B ...
Athena Top End Rebuild Kit (Forged Piston + Top Set) KTM 450 SX-F 20-22, Husqvarna FC450 20-22, FX450 20-22, FS450 21-23, Gas Gas EX-F450 21-23, MC-F450 21-23 (94.96mm B Piston)