The Piston Rings Set - Standard size 84mm for YANMAR 4TN84, 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 : 4TN84 Piston Bore (mm) : 84 Size : STD Ring Size (mm) : 84 x 2(3.06T) x 2 x 4 Package Include : 1 Complete Piston Ring set of 1 Cylinder Brand : Riken Taiwan Applications : Yanmar 4TN84 Engine Manufacturer Part Number : 129105-22500