Unleash the full potential of your Ski-Doo with the Piston Kit - 593 HO including SDI. This essential drive component is meticulously designed to elevate your snowmobile's performance. The kit includes everything you need: a high-quality piston, precision-engineered rings, a robust piston pin, a durable needle bearing, and reliable circlips. Each part is crafted to ensure optimal fit and function, delivering the power and reliability you crave on the trails. Trust in this kit to keep you moving forward, no matter the conditions. Kit includes: piston, rings, piston pin, needle bearing and circlips.