Cast Iron Alloy Piston Rings FITS HUSQVARNA PARTNER K960 K970 CUT-OFF SAWS 56 MM X 1.2 MM REPLACES OEM # 503 28 90-35, PISTON RINGS SET (2 rings total) High Quality Aftermarket Part WILL FIT MANY OTHER 2 STROKE ENGINES WITH SAME DIMENSIONS "THAT HAVE A SPLIT GROVE GAP AS PICTURED" EACH AND EVERY RING IS MEASURED BEFORE SHIPPING, ALL PHOTOS IN THIS AD ARE TAKEN BY US YOU WILL GET WHAT YOU SEE. LOCAL PICKUP IN TORONTO AREA AVAILABLE, CONTACT ME IF YOU HAVE ANY QUESTIONS Mike 647-515-4111