This T-Moly Series Piston Kit with a standard bore of 73.80mm is a must-have for Snowmobile Engine Components enthusiasts. The kit is designed for the Sp1 brand and has a Manufacturer Part Number of SM-09220. Its high-quality build and durable materials ensure long-lasting performance for your snowmobile. Whether you're a professional racer or a casual rider, this kit is perfect for your needs. Install it with ease and enjoy a smoother ride with increased power and efficiency. Upgrade your snowmobile with this top-of-the-line Piston Kit and experience the difference today!