51565 Tamiya - SP.1565 TRF419 Aluminum diff joint (2pcs) for gear differential SP-1565  [51565]

They're the replacement aluminum gear differential item diff joint parts being applied to the TRF419 4WD on-road race chassis unit.

• Lightweight and durable aluminum components received a hard anodized layer for smooth motion.
• The TRF419 Chassis gear differential unit features identical size diff bones.
• Contains Aluminum Diff Joint x2