1. High-Quality Replacement: The 42mm Air Filter Stack Choke Kit is specifically designed as a replacement for 2 Stroke 47cc and 49cc engines, ensuring optimal performance for your mini pocket bike, kids ATV, and gas-powered scooters. 2. Enhanced Performance: This air filter stack choke kit improves airflow to your engine, enhancing combustion efficiency and maximizing power output for an exhilarating ride on your favorite mini pocket bike or ATV. 3. Durable Construction: Made from high-quality materials, the 42mm Air Filter Stack Choke Kit is built to withstand the rigors of off-road use, providing long-lasting reliability for your gas-powered scooter and recreational vehicles. 4. Easy Installation: Designed for hassle-free installation, this replacement kit allows you to quickly upgrade your 2 Stroke 47cc and 49cc bikes without the need for specialized tools, getting you back on the road in no time. 5. Versatile Compatibility: Perfect for a variety of applications, the 42mm Air Filter Stack Choke Kit is compatible with many mini pocket bikes, kids ATVs, and gas-powered scooters, making it an essential upgrade for any small engine enthusiast. For: 43-49cc For: 40-5 Color: Red Material: Metal Package Contents: 1 x 42mm Air Filter Stack Choke Kit Replacement