rings and piston questions and ideas 2008 rzr 800

I redid the top end last year its looking like the rings did not seat there are about 700 miles on it no dusting issues the only mod it is a slp performance silencer and alba racing fuel pump but there are three different compression ratios stock, ratio 10:2 THEN 11: 1 then 12:1 any ideas which one to use ?It will be a stock machine and just trail riding