The JOROBURO Engine Transmission Gear Box Main Counter Shaft Kit is an essential component for high-performance engine systems on China ATVs, ATV's, four wheelers, and motorcycles. Constructed of iron, it's designed to ensure smooth and reliable gear shifts, especially for vehicles fitted with 50CC to 110CC engines. The shifter pedal gear is made of the same durable material, providing a strong and secure connection between the gear box and pedal assembly. This kit is not only designed for performance but also includes a built-in locking mechanism to prevent accidental gear engagement during off-road operations. With its high-quality construction and reliable performance, the JOROBURO Engine Transmission Gear Box Main Counter Shaft Kit is a must-have for any enthusiast seeking to enhance the speed, agility, and durability of their vehicle.