Metal front and rear differential kit

Installation notes

• Use this kit when replacing worn axle differentials or preparing a supported drivetrain build. One package supplies two assembled metal-gear differentials, two yokes and installation hardware.
• The two assemblies cover front and rear, not the center differential. Use the matched kit rather than assuming individual ring gears fit an unrelated housing.
• The stock axle differential uses a composite case with an integrated 37T bevel gear. A metal center differential, where fitted, is a separate assembly.
• Check input-gear engagement, shimming and free rotation during installation. Follow the package instructions and reuse only serviceable compatible mounting parts.
• Sharing components with 4S models does not change the motor, ESC or battery rating. Keep the electrical system within its existing limits.
• Complete-module alternatives use two sold modules, one per axle, with matched input/ring gears and yokes. ARA311156 is the current steel-gear module; legacy ARA311072 is explicitly CNC steel and discontinued. Do not infer that the successor is CNC machined.

Sources