My stock pistons had similar markings to yours.

These are the pistons I used:

https://egge.com/part/egg-1000-l944-6/

They do have the thinner top ring.

Rings:
https://egge.com/part/grt-1200-p2567/

Noted the rings do not fit OEM pistons. Which makes sense since the top rings is thinner.

Last edited by showkey; 10/30/2019 6:08 PM.