WISECO 2001-2008 GSXR1000 FITS SUZUKI 2992XG RINGS XG TYPE. The vendor part number is 2992XG. Read title to know what you are getting. Catalog descrition� WISECO REPLACEMENT RING SET. *XGtypesets consist ofTop Ring, Compression Ring, and Oil Ring. * Top Ring: Chrome-faced high temperature steel alloy. * Compression Ring: Taper-facedductile iron. * Oil Ring: 3-piece low tension oil ring. * The ring type and bore size (in mm) is stamped on the dome of the piston. * Refer to this information to order the correct replacement rings. * Ring styles cannot be interchanged. * Please note: Only WISECO replacement ring sets may be used on WISECO pistons.