Proline® 2 ring piston kit for Echo chainsaws. This is a nice upgrade for the CS-590 and CS-620P. Please match you part with ours for proper fitment; actual pictures shown. Parts are Not made in China.
Includes:
- Piston
- Piston ring (2pcs)
- Circlips
- Wrist pin
Specs:
- 45mm
- Replaces single piston ring used on CS-590 and CS-600P with no modifications.
Replaces Echo OEM #:
- P021043990
- P021043991
Suitable for the following applications:
- CS-590, CS-600P, CS-620P, CS-620PW, 600SX,