Upgrade your Kubota V1902 engine with the high-quality Kubota V1902 Piston Ring Set STD 85MM. This ring kit is designed for V1902-DI D1402 engines and has OEM part numbers 19274-21110 and 19274-21050. The 1st ring size is 2.5MM, the 2nd ring size is 2MM, and the 3rd ring size is 5MM. The kit includes 1 piston, 1 ring set, 1 pin, and 2 clips, making it a comprehensive solution for your tractor's engine needs. Ensure the optimal performance of your tractor by investing in this reliable and durable piston ring set.