86.50mm Piston Ring Set for Yamaha personal watercraft/jet ski with 86.50mm Wiseco pistons. Thickness 1mm - 1.2mm - 2.8mm rings
Complete ring set for 4 pistons. Includes top rings, 2nd rings, and oil rings. Japan made. High quality replacement.
Fit newer Wiseco pistons with the following ring thicknesses
1mm / 0.039" thick
Alloy steel, Ferrox coated, and Chrome faced
1.2mm / 0.047" thick
Cast iron, phosphate coated, and taper faced
2.8mm / 0.110" thick
3 piece assembly, stainless steel flex vent spacer, and chrome faced rails.