This is a new in the package ring set for the  1983 1984 1985 XL350, XL350R, XR350R, and XR350's. The XL350R was also made in 1986 for Canada market and these rings are correct for that year also.These are the great single cylinder, four-stroke Honda enduros. This is a standard size 84mm (STD) ring set.  Correct replacement for 13011-KV2-305. This has the 2 compression rings and the lower 3pc oil control ring, everything to get your piston compression back where it should be.   Get your old bike up and running again. We only sell the best! This is a top-quality aftermarket item. Also correct for superseded part # 131A1-KF0-003