T-56 swap question...95 to 98 vs 99 to 04?

Hi all haven't been here in awhile, the place has really changed. I have a line on a new T-56 but it was purchased for a 97 Cobra. My car is a 2K GT with an 01 Cobra in it. What is the difference between the two. I noticed there are two different swap kits for 99 to 04 vs the 95 to 98? Speedo? Crossmember? Would the tranny be the same for the two? Any info would be great, thanks.
Scott

squares98 said:

mechanical vs. electric speedometer is the difference.

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That's what I was afraid of. I wonder if it could be converted over to the electronic style. I would think it could.