| These steel parts offer greater durability than the standard aluminum parts included with TRF417 Gear Differential Unit II (Item 42197). By removing the Pin Protector (Y1), high-powered motors can be more readily installed. .
Specs and Features
- Steel Cup Joint (Left) x1
- Steel Cup Joint (Right) x1
- Usable with TRF417 Gear Differential Unit II (Item 42197).
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