Wiseco 7700XU

WISECO REPLACEMENT RING SET. ÿÿXUÿtypeÿsets consist ofÿTop Ring, Compression Ring, and Oil Ring. ÿ Top Ring:ÿAlloy steel, ferrox coated, chrome faced. ÿ Compression Ring:ÿDuctile iron, phosphate coated, taper faced. ÿ Oil Ring: 3-pieceÿoil assembly; Stainless steel flex-vent spacer, nitrided rails. ÿ The ring type and bore size (in mm) is stamped on the dome of the piston. ÿ Refer to this information to order the correct replacement rings. ÿ Ring styles cannot be interchanged. ÿPlease note: Only WISECO replacement ring sets may be used on WISECO pistons.