Check with total seal on their ported rings. They have ports on the tops of the rings so you don't need to port the pistons, and they claim more even cylinder wear because the rings rotate so the extra pressure is not always at the same points.
A bit pricy at $623.62 set for 1/16"x1/16"x3/16" AP steel.
Moly are $369.92 SKU: CR9190GP 125


https://www.totalseal.com/rings/gas-ported-rings