The Ultimate Drive cups for your Primal RC Raminator (all ages) and Mega Trucks. Direct replacement for PRRMT157 and PRRMT051.

These cups have been torture tested by a number of hard users on 46/50/71 and 80cc engines. Solves the issues with stock cups which break at the stem.

Machined from EN24T Motorsport Driveshaft Steel (300M equivilent) for the ulimate in strength.