The Piston Rings Set - Standard size 86mm for Yanmar 4TNE86, a premium quality piston ring set designed to provide optimum performance and durability for your engine. This set includes 1 complete piston ring set of 1 cylinder, ensuring a reliable and efficient operation of your engine. Highlights Engine Model : Yanmar 4TNE86 Piston Bore (mm) : 86 Size : STD Ring Size (mm) : 86 x 2R x 2 x 4 Package Include : 1 Complete Piston Ring set of 1 Cylinder