First and foremost: Welcome.
Secondly, Sport package trucks were merely SLTs with body color painted bumpers and fascias. That's all. No more, no less.
Thirdly, one piece headlights, while some think they look good, are absolute trash.
Find a set of two piece headlights. I say this because the one piece units fit horrible, even if you're not trying to aim them. The second you try and get a usable beam of light out of them they stick out at odd angles. Because of this, one piece headlights for these trucks generally break after a couple months.
If you want an UPGRADE that is factory, buy a set of NFC/CAPA certified 99+ Sport repop headlights. They're a clear lense, dual bulb headlight. Use the more modern 9007 55W bulb for the low beam and the 9004 bulb for high. You'll have to clearance the headlight pockets in your fenders but they're worth it.
You will have to buy a Sport conversion harness with relay kit for them to work, HOWEVER, those harnesses are badass in that they pull juice directly from the battery, not through your headlight switch and multifunction stalk. That being said, that harness will make them even brighter than if they were on a 99 new.