The TKR9284C suspension arms are included with the EB48 2.2 and NB48 2.2 kits and can be used as a replacement part for those vehicles.
These arms can be used with the EB48 2.1 and NB48 2.1 vehicles and should be a direct replacement for the stock part or used as a new feature. Please use the instruction manual for the appropriate kit to verify compatibility and that no additional items are necessary before purchasing.