3-5/8″ by 2-1/2″ Hard plastic When you need a carburetor insulator plate for a Predator 224cc 6.6 HP go-kart or mini bike engine we have just what you need This hard plastic plate measures 3-5/8″ by 2-1/2″ When you need replacement parts for your Predator engine, we are only a screen tap or mouse click away. When you need a carburetor insulator plate for a Predator 224cc 6.6 HP go-kart or mini bike engine we have just what you need. This hard plastic plate measures 3-5/8″ by 2-1/2″ When you need replacement parts for your Predator engine, we are only a screen tap or mouse click away.