This product is a genuine Traxxas 17-tooth clutch bell designed to deliver smooth and efficient power transfer from the clutch to the transmission in nitro RC vehicles. It is precision-machined to ensure proper gear mesh, consistent engagement, and reduced drivetrain wear at high RPM. The durable construction helps maintain reliable performance during aggressive driving and extended run times. This clutch bell is compatible with Traxxas nitro models including T-Maxx, Revo, Slayer Pro, and Jato that use the matching clutch system. It is an ideal replacement or gearing option for tuning acceleration and top speed.