The trans go kit has instructions.

And yes it only has 2 longs and 1 short.

IIRC the 2-3 has 3 springs and uses both spacers, long and short. the 1-2 uses 2 springs and 1 long.

The transgo kit is more of a mild shift kit and fix it kit, the thrasher kit has more than 1 setting you can pick.