Polaris Genuine Parts are made with high quality materials and built to exact specifications for a long product life and exceptional performance. The Polaris Suction Cleaner Factory Tune-Up Kit Includes: (2) Drive Shaft Assembly - R0915700, Engine Assembly - R0915600 Direction Control Device, V2, Side A - R0916100, Direction Control Device V2 Side B - R0916200 (2) Tracks V2 - R0916500, Gear Housing Covers Side A and Side B - R0915500 The Polaris Suction Cleaner Factory Tune-Up Kit R0997900 is a comprehensive maintenance kit designed to rejuvenate and extend the life of Polaris Maxx and Atlas suction-side pool cleaners. These components ensure that your cleaner maintains peak performance by replacing worn or damaged parts, keeping your pool cleaner running efficiently without the need for a full replacement. This kit is a cost-effective solution to keep your pool sparkling clean by providing everything necessary for an easy tune-up