4 boxes of Sealed Power piston rings.
Each box originally held 6 rings but the SO-40 green oil control now has 2 rings, the C-10 red compression rings has 2, the RT-20 blue oil control has 4, & the RT-40 gray Sta-Tite MD has 6. All 4 boxes for $12.50 including shipping to the lower 48.
PM for more info & questions.
Dave
SOLD !!