Race-Driven Rear Inner and Outer CV Boots. You will receive (2) heavy duty CV boots, grease and clamps to replace the rear CV boots on the following: 2021 2022 2023 2024 2025 2026 Polaris Sportsman 570. Race-Driven CV Boots are made to meet or exceed OEM and other aftermarket specifications and has high quality rubber for extended life. Replace those cracked or punctured boots before dirt and water ruin your CV shaft. Race-Driven is committed to bringing the highest quality products to all riders at an affordable price. Customer Driven – Quality Driven – Race-Driven.