JE lists J100 (1/16, 1/16, 3/16) in 4.25, 4.28, 4.31, 4.32, 4.35, .4.36, 4.375, 4.39,and 4.44 an and J200 (.043, 1/16, 3/16) in 4.28, 4.31, 4.375, 4.39,and 4.44 . Both have 11-12#
oil tension. Top ring is moly coated and not backcut.
Total Seal lists a 'Gold Finish dry with a .0002 finish optional gapless
top ring, Napier second ring and unspecified low tension
oil ring in 4.28. Some people seem to like the gapless top ring.
Would those be good choices?