The Yokomo Y2-501MRA Aluminium Ball Differential Joint Set is designed to replace the stock gear differential on YD-2 models, delivering lower rotating weight while keeping strength where it counts. This upgrade aims to enhance steering accuracy and mid-corner control for drivers chasing consistent lap times.
Aluminium reduces drivetrain inertia and keeps wear resistance high, helping the car react more quickly to inputs. That makes aluminium joints a practical modification for racers seeking improved response without compromising longevity.
When changing from a standard gear differential or a steel ball diff joint, you will need a drive cup protector (B8-500DP?360) to secure the dogbone end of the universal shaft. The Yokomo Y2-501MRA set includes both left and right joints for a complete replacement.
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