1990 40 hp ETLD piston rings

[alasanii]

To all,
I have 1990 40hp ETLD.
need piston rings 6 off.Please explain why in the parts list indicated rings 3

Thanks,
Irakli

[boats.net]

The piston rings come in a set(2 rings per set), you would order one set per piston.

[alasanii]

The piston rings come in a set(2 rings per set), you would order one set per piston.

Thank you for the prompt response
I will order
Irakli