Uncertainty exists about the specific involvement of motor processes in conflict resolution. Specifically, while previous findings have shown that distracting information can interfere with both premotor and motor processes, it is unclear how changes in motor processing demands influence conflict resolution. To address this gap, we developed a modified visual Simon task in which participants responded by moving a slider either to the left or right, with the required movement force randomly varying within blocks (easy vs. middle) and required motor precision (large or small response areas) varying between blocks (low vs. high). We hypothesized that increased motor demands (i.e., force and/or precision) would lead to enhanced action control, potentially mitigating the impact of spatial-based activation. Consistent with our hypothesis, the Simon effects in overall movement times were smaller in trials requiring more response force when high but not when low motor precision was required. Additional analyses revealed that these interactive effects were primarily reflected in the later movement phases rather than during initial movement initiation, suggesting that particularly late motor processes are better shielded from distractor-based activation when motor demands increase. Thus, these findings suggest that action control can be flexibly regulated in response to increases in motor demands by more strongly activating the target-based motor response, which reduces the contribution of distractor-based motor activation. Overall, our findings emphasize the importance of considering motor processes in conflict resolution.