Specifications Hign-concerned Chemical:None Model Name:CB400SF NC31 Origin:Mainland China Item Type:Carburetor We provide multiple options for you to choose from. Please confirm the image content of each option before purchasing. Don't assume that the images on the page are option images. We offer the CB400 Starter Valve Set option, which can be purchased in conjunction with other accessory options. Compatible Accessory: This product is a compatible accessory, not an original OEM part. It has been designed to meet the same functionality and performance standards, offering a cost-effective alternative. Model Verification: Please carefully check the model advertised before placing your order to ensure compatibility and avoid purchasing the wrong product. Color Variations: Internal components may have slight color differences due to variations in production batches. However, this will not affect the product's performance or functionality. Customer Support: If you have any questions or concerns regarding your purchase, please feel free to contact us directly. Our team is happy to provide you with any necessary assistance or clarification. Satisfaction Guarantee: We strive to ensure every customer is completely satisfied with their purchase. If you encounter any issues, don't hesitate to reach out. We are committed to resolving your concerns promptly and effectively. Country of Origin: Manufactured in China under strict quality controls to meet international safety and performance standards.