These hardened universal swing shafts are engineered for the Kyosho Mini-Z AWD MA-020 chassis, providing a significant upgrade in durability and power transfer efficiency over standard components. Constructed from high-strength, hardened steel, they are designed to withstand the rigorous demands of competitive racing and spirited driving, effectively minimizing wear and bending under high torque loads and impacts. As a "long" variant, these shafts are typically utilized to optimize track width with wider offset wheels or specific suspension configurations, ensuring consistent power delivery through the vehicle's full range of suspension travel for enhanced performance and handling.