Shift kit AND manual valve body?!

As stated above, a manual valve body shifts hard and firm, and negates any kind of shift kit. If its shifting lazy, you have something else going on.
easiest thing would be to verify the shift cable is adjusted correctly, and its fully in each detent position. You're probably not that lucky however... I'm not a trans expert so someone else can chime in from there. Clutches, bands, ...not sure

Well, I still appreciate the info, and it gives me a place to start. I did reroute the shift cable when I put an interior in the car, so its possible it isn't adjusted perfectly. I was on my own so multiple trips in the car, under the car, in the car. under the car, so I may not have gotten it quite right.