Product Description: High-Performance Primary Clutch CVT Sheave for Hisun and Coleman UTVs Elevate your UTV's performance with our robust Primary Clutch CVT Sheave. Designed to enhance efficiency and power, this component is essential for a smoother and more reliable driving experience across challenging terrains. Fitment: Specifically crafted as a replacement for Hisun HS 800 and 1000 UTVs, this clutch sheave is compatible with models including Spire, Massimo, Strike, Supermach, Coleman, Bennche, and many more 800 and 1000 CC UTVs. Ensure your model is listed for a perfect fit and superior performance. OE Numbers: Compatible with reference part numbers 21300‑010‑1000, 324800001, and 21300 F68 0000. Please verify these numbers against your existing component to ensure a seamless replacement and optimal functionality. Powerful Performance: Engineered for precise rotation, the primary clutch CVT sheave enables instant clutch engagement, resulting in a smoother driving experience. It significantly enhances climbing power and strengthens braking capabilities, making it ideal for demanding driving conditions. Increased Efficiency: Serving as the core component of your drivetrain, this clutch assembly directly influences your vehicle's operational efficiency. Experience ultimate road performance with a component designed to minimize obstacles and maximize power delivery. Alloy Steel Construction: Constructed from high-strength alloy steel, this primary clutch CVT sheave assembly delivers exceptional performance and reliability. Its robust construction ensures safety and durability, providing long-lasting use under various driving conditions. Upgrade your UTV with our Primary Clutch CVT Sheave to achieve superior power, efficiency, and reliability. Its precision engineering and durable construction make it an indispensable component for those seeking enhanced vehicle dynamics and a premium off-road experience.