WISECO REPLACEMENT RING SET.
* XP type sets consist of Top Ring, Compression Ring, and Oil Ring.
* Top Ring: Cast iron, plasma moly faced.
* Compression Ring: Cast iron, reverse torsion.
* Oil Ring: 3-piece oil assembly; Stainless steel flex-vent spacer, chrome faced rails.
* 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.