Wiseco's XX piston ring sets feature a stainless steel, gas-nitrided, barrel-faced top ring. They also contain an under hook style, cast iron, phosphate-coated, taper-faced second ring. Oil rings in the XX sets are 3-piece assemblies with gas-nitrided rails and a stainless steel, flex-vent spacer.
Bore: 3.445" / 87.50mm
Ring Width: 1.0mm-1.2mm-2.8mm
Top Ring Type: Gas Nitrited
Top Ring Code: SGP
2nd Ring Code: IPN
Oil Ring Code: CUS
Oil Ring Tension: Std
# In Set: 1
Replacement Single Piston Rings for Wiseco Pistons part numbers: KE257M875, KE237M875, KE231M875, KE163M875AP, KE127M875, KE126M875, K682M875AP, K682M875, K679M875AP, K679M875, K650M875AP, K650M875, K640M875, K634M875, K632M875, K631M875, K629M875-225, K629M875, K628M875-225, K628M875, K627M875AP, K627M875, K622M875-225, K622M875, K591M875AP-200, K591M875AP, K581M875-200, K581M875, K580M875-200, K580M875, K573M875AP, K573M875, K568M875, K562M875-197, K562M875, K549M875AP-197, K549M875AP, and K549M875.
