Drive cup, steel, extreme heavy duty (2)/ 4x17mm screw pins, heavy duty (2) (machined, heat treated)

Give your E-Revo^® the toughest driveline possible with these extreme heavy-duty drive cups. The drive cups are machined out of high-grade heat-treated steel to resist rounding out from dogbone contact. Includes heavy-duty 4×17 mm screw pins (2).