Cylinder Works Standard Bore Cylinder Polaris ACE / Ranger / RZR / Sportsman 570 Designed to mirror the original in appearance, this product offers enhanced durability with its nickel silicon carbide plating. Precision honing ensures it's perfectly sized for straightforward piston installation, providing longevity and efficiency for the component's lifecycle. Features: Nickel silicon carbide-plated for long life Standard bore Standard compression Honed to exact OEM size for easy piston installation Note: Images are for reference only.