D902 Rebuild Kit Oversize 0.5mm Piston Ring Compatible With Kubota D902 D902-E2B D902-E3B D902-E4B Engine ZD1021 RTV900G9 RTV900R RTV900R6 Overhaul Repair Kit With STD Bearing Gasket Kit Product Include (as the picture shown) : 3 Sets Oversize +0.50mm Piston ( Clip & Pin): 3 pcs Piston Rings Oversize +0.50mm (Thickness of O ring :3mm) 1 set Crankshaft Main Bearing Set STD 1 set Con Rod Bearing Set STD 1 set Thrust Bearing 1 set Con Rod Bushings 1 set Complete Full Gasket Set with Head gasket