Highest quality forged pistons made in Germany. High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power. Wossner Ski-Doo Piston Top end Kit K7064DA-2. If you are not sure if it fits your snowmobile ask us please.We are experts in the field. The item "WOSSNER Ski-Doo Summit Freeride MXZ Renegade 850 GEN 4 Piston Top End Kit" is in sale since Sunday, October 10, 2021. This item is in the category "eBay Motors\Parts & Accessories\Snowmobile Parts\Engines & Components\Snowmobile Engine Components". The seller is "mx_parts_usa" and is located in Saint Louis, Missouri. This item can be shipped worldwide.