The Sunstar 36511 Steel Front Sprocket is a durable and reliable part designed specifically for Polaris ATV models like the Big Boss 250 4x6 and Trail Boss 250 4x4. Made of steel and in a sleek black color, this sprocket is compatible with various Polaris models from the years 1987 to 1997. With a 11 tooth design and easy installation on the front of the vehicle, this Sunstar sprocket is a high-quality component for maintaining your ATV's optimal performance during all seasons.