Hot Cams Shim Conversion Kit Polaris Ace / Sportsman Designed for compatibility with OEM valves, springs, camshafts, as well as aftermarket high-performance camshafts, this product ensures optimal performance enhancement and durability. It's engineered for those seeking to upgrade their vehicle's engine components without compromising on quality and reliability. Whether for routine maintenance or performance upgrades, it provides a perfect fit and exceptional functionality. Features: Diamond-Like Carbon (Dlc) coated for extended durability and performance over OEM For use with OEM valves, springs, camshafts, and aftermarket high-performance camshafts Includes buckets and retainers Sold as a kit