The Kubota 1396121100 Piston Ring Set is a genuine OEM component designed for various Kubota D and V series diesel engines. This set includes the necessary piston rings to restore proper engine compression and oil control. With a bore of 78.00 mm, it ensures a precise fit and optimal performance in compatible models such as D1005, D1105, D1305, D1505, and V1505 engines. Manufactured to Kubota's stringent quality standards, this piston ring set provides durability and reliability for engine maintenance and overhaul.