1G790-21053, 1G79021053. Fits Kubota Engines Piston Bore Size: 87mm. Replacing worn out engine piston rings with a new set can provide several benefits for your engine. Piston Rings Information ✓ New Part.

1G790-21053, 1G79021053. Fits Kubota Engines Piston Bore Size: 87mm. Replacing worn out engine piston rings with a new set can provide several benefits for your engine. Piston Rings Information ✓ New Part.