General Description The product is compatible with Walbro WT-997, WT-668, and WT-664 model airplane carburetor accessories, suitable for 23 to 30.5 cc engines, including Zenoah and HPI Baja 5B SS 5T models. Technical Specifications Compatible Models: Walbro WT-997, WT-668, WT-664 Engine Displacement: 23 to 30.5 cc Applications: Airplanes, Zenoah, HPI Baja 5B SS 5T Compatibility and Accessories Model Airplane Carburetor Accessories Compatible with Zenoah and HPI engines Installation Follow the instructions included with your engine or accessory for proper and secure installation. Use Use This product is designed to improve the performance of your aircraft engine. Ensure it is properly installed and maintained for optimal operation. Other Information Dimensions are measured manually, with a tolerance of 1-3 cm. Color variations may occur due to lighting and display settings. Please refer to the actual item received.