WISECO REPLACEMENT RING SET.
XX type sets consist of Top Ring, Compression Ring, and Oil Ring.
Top Ring: Stainless steel, gas intrided barrell faced.
Compression Ring: Cast iron, phosphate coated, taper-faced under hook.
Oil Ring: 3-piece oil assembly; Stainless steel flex-vent spacer, nitrided 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.