i'm running a pretty heavy setup. Emaxx with FLM chassis, FLM front and rear combo bulks, 3.3 arms, driveshafts, knuckles, turnbuckles, integy Ti front skid plate, integy tranny and rear skid plate, integy front and rear shock towers, wheelie bar, integy msr5 shocks, integy extra firm spring and medium spring, Hitec 5645 metal gear servo, that's all i can think of...