New Headset Advice?

Im looking at getting a new headset from superstar components but im not sure if i can just put this new headset on my bike as it has sealed bearings and my stock headset doesn't my bike is a trek 4500 4 series and the stock headset is bontrager any advice?
cosna kick a bo agen a wo and ed it back till it bos-UP HANLEY ME DUCK
NO STAIRWAY....DENIED!
D.Leyland
Current Bike-TREK 4500
Previous Bikes
:Giant Roam 3
:Bianchi Nirone 7
NO STAIRWAY....DENIED!
D.Leyland
Current Bike-TREK 4500
Previous Bikes
:Giant Roam 3
:Bianchi Nirone 7
0
Posts
what type of headset is fitted? see parktools for the different types.
Parktools :?:SheldonBrown
if unsure take your bike to LBS for fitment.