The OEM Polaris Piston 3083883 is a new, old stock (NOS) vintage part specifically designed for the Polaris 400 Indy snowmobiles manufactured between 1984 to 1991. This piston is a genuine Polaris product, ensuring quality and compatibility with your snowmobile engine. With this piston, you can trust that your vintage snowmobile will continue to perform at its best, just like it did in its prime. Perfect for those looking to maintain the authenticity and reliability of their classic Polaris 400 Indy snowmobile.