Team Associated 3.5mm Ball Cup Set (4) 
 
Package includes 2 straight ballcups and 2 offset ballcups. (4) pieces total. 
 
This part fits the following vehicles:
RRP RX4 Evo
RC10B6.4
RC10B6.4D
RC10B74.2
RC10B74.2D
RC10B7
RC10B7D