The JE single piston for KTM 520 and 525 SX applications is a replacement piston sold individually for one-cylinder service. Intended for KTM 520/525 SX engines, it supports rebuilds and repairs by matching the model displacement and piston sizing. Sold one piston at a time; verify bore, ring size and exact model fitment before installation.
JE Pistons KTM 520/525 SX Piston Single