Upgraded to 20CrInTiH steel material, Spiral cut ring gear, Main Diff Gear 30T Spiral, Main Input Gear 9T Spiral, 2.0Mod, High strength, sturdy and durable. Replaces factory part number (ARA310911 + ARA310912)
Requirements: All packaging accessories are pre-assembled. It is recommended to use screw glue to ensure stability and prevent loosening.