England will head to Nottingham 2-0 up with three to play after convincing wins at Southampton and Lord's.
All-rounder Stokes has been involved in both those victories but as a batsman only after a calf problem prevented England one-day captain Eoin Morgan deploying him as a member of the hosts' pace attack.
But the Durham star hopes to be firing on all cylinders come Tuesday's day/night clash in the English Midlands.
"I have done all the prep to get myself fit and put my hand up to say I am ready to bowl.
"I've bowled for about 15 minutes flat out and all the build-up stuff I needed to do has been done, so if I am needed hopefully Eoin will ask."
An outstanding fielder, the 25-year-old Stokes said not been able to bowl had proved a frustrating experience.
"But I pride myself on my fielding as well and one thing that keeps me switched on the whole time is that I don't want to give away any runs.
"I want to try and stop as many as possible -- and applying myself to that has got me through the fact I am not bowling.
"But it's nice to get that confidence from your captain and coach saying 'we want you to play as a specialist batsman' -- so I have wanted to make sure I make some runs in these first two matches.
"It's been quite nice to solely concentrate on the batting side in these first two."
England, whose 50-over cricket has improved markedly since their dismal first-round exit from last year's World Cup, have so far dominated a Pakistan side who are a lowly ninth in the one-day international rankings.
But Stokes played down talk of a 5-0 whitewash by saying: "We could spill into dangerous territory if we start to think too far ahead.
"We haven't won the series yet so. We've got the next one to do that, so we'll still be trying to improve on these performances.
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