Kyosho IGW008B-05 is a 2-Speed Trans Mission Set designed for use with Shoe Type/GT3 model cars. It enables precise adjustment of the gear shift timing to optimize performance for different track conditions. The set includes various components such as a 2-Speed Shaft Set, 2-Speed Shoe Set, 2-Speed Clutch Drum, and 2-Speed Gear Set. With its durable construction and adjustable features, the Kyosho IGW008B-05 is an essential upgrade for model car enthusiasts looking to enhance the speed and control of their vehicles.