Traxxas 7754R Drive cup steel extreme heavy duty

Drive cup, steel, extreme heavy duty (2)/ 3x8mm CS, heavy duty (2) 

use only with #7750X driveshaft

Give your X-Maxx? or XRT? 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 3x8 mm screws (2). Sold in pairs. (Use only with 7750X driveshafts)