89mm Piston Ring Set of 4 for Wiseco, CP Pistons, JE pistons, Arias pistons

Includes 1 Top ring, 1 2nd ring, and oil rings. Japan made. Same as Wiseco's 8900XX piston ring set. High quality replacement. Superior to Wiseco's XC series. Fits newer Wiseco pistons, CP pistons, JE pistons, and Arias pistons with the following ring thicknesses:

 

Top ring:

1mm / 0.039" thick

Alloy steel, Gas nitrided, and barrel faced

 

2nd ring:

1.2mm / 0.047" thick

Cast iron, phosphate coated, and taper faced, Napier hood

 

Oil ring:

2.8mm / 0.110" thick

 

3 piece assembly, stainless steel flex vent spacer, and gas nitrided rails.

 

Fit newer Wiseco, CP, JE, and Arias pistons.