RCAWD ARRMA 3s Upgrades 2WD to 4WD Full Aluminum Differential Set for Grannite Senton Big Rock

RCAWD ARRMA 3s Upgrades 2WD to 4WD Full Aluminum Differential Set for Grannite Senton Big Rock D3-ARA210003R

Features: 

• Size, shape, perfect replacement for the original

• Helical gear design, lower noise, higher precision, more durable

• Impact-resistant，higher torque more than stock ones，more robust than stock，more durable

• Full aluminum case，overall durability increased by 80% compared to the original 
• 40CrMo steelis top level steel better than general gear material 
• Hard-anodized colour，CNC machined PTFE-coated hardened alloy  
• Top quality high strength 40CrMo Steel gears 
• 20K differential oil has been added to the differential. It can be installed and used directly. No need to refill it yourself
• 228mm Center Driveshaft

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• Diff Set  *1
• Gasket*3
• drive shaft *2
• 228MM Center Driveshaft *1
• 14MM hex *2
• 2.5*12MM pin *2
• M4*4 screws *2