The John Deere AM122468 Piston Ring Kit is an authentic OEM replacement part designed for optimal engine performance and longevity. This kit includes the necessary piston rings for a 63.5 mm bore, ensuring a precise fit and reliable seal. Compatible with a wide range of John Deere equipment, including select models of lawn and garden tractors, utility tractors, and ZTrak mowers, it helps restore engine compression and reduce oil consumption. This genuine John Deere part maintains the original specifications for quality and durability, weighing approximately 0.023 kg with package dimensions of 63.5 mm length, 63.5 mm width, and 12.7 mm height.