Features: Unleash the full potential of your vehicle with this top cover for carburetor modification. Improve engine power and combustion efficiency by adjusting the fuel air mixture ratio. Crafted from durable materials, this top cover is resistant to high temperatures and corrosion, ensuring long lasting reliability. Designed for automotive enthusiasts and professionals seeking to upgrade their vehicles. Perfect for those looking to optimize engine performances. Suitable for various driving scenarios, including city roads and adventurous terrains. Whether you're cruising through urban streets or exploring rugged landscapes, this modified carburetor top cover delivers improved fuel supply for an exhilarating driving experience. Take control of your vehicle's performances and personalize your driving experience with this easy to install and adjustable carburetor top cover. Achieve optimal fuel air mixture ratios tailored to your needs, unlocking the true potential of your engine. Specifications: Material: Plastic, Zinc Alloy Type: 21-30mm/32-34mm Color: A/B/C Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set PWK Carburetor Top Cover