I believe FuelMoto has a before and after cam swap on a 2011 103". Stock cams to SE255 cams and the results are clear in the dyno.
FuelMoto would be the place to call to find out for sure, that is, if you still have any doubt. . . .

 

Straight out of my 2011 Touring parts book

103 rear cam part # 25590-07A
103 front cam part # 24608-07A

96 motor same part numbers

 

That was my impression too, hence the upgrades.

 

Harley can't give you a very good map due to emissions laws they have to go by. I downloaded a TTS tune for the 255 cams in my 2011 103 inch Ultra limmited and the difference in power is very noticable, up at least 8 to 10 hp. Mileage is in the very high 30 range, 38/39 two up riding.

 

I picked up a used set of 255's. On the lobe it was stamped CVO 255. Is there any difference in the two?

I could tell the difference immediately after installing the cams with out even upgrading from the previous TC96 Stage 1 Race Tuner map.

Uploaded a map for the 255's last night and I plan on using the Smart tune feature to tweak the performance.

Pretty sure I can outrun any stock 103 or even a stage 1 103 right now.
Dude.

 

I had the exact same concern. I bought a set of cvo255s on the forum and was wondering if cvo255s and se255s were interchangable. Got different answers. Went to my Dealer a pulled a set of SE255s out of the parts department, opened the box and the cams were stamped CVO on the gear. A factory 103 motor does not have cvo-se255s in it. It runs the same cam as a 96ci. My CVO 255s are going in my 2008 Fatbob this spring. Mike

 

I'd go with a set of Woods 555 cams.
More Bang for the Buck

 

The 96 and 103 stock cams have the same part numbers in my parts book.