Tony,

Not sure where you see 19lb injectors listed in the text of 10.1.

10.1 Eligible Models
Any 5.0 liter 1987-1993 Mustang (302ci Ford) V8 production engine, in OEM configuration is legal, providing that it meets with all other applicable rules. Cobra model engines and engine components are prohibited. No parts may be replaced with anything other than OEM or direct OEM replacement parts unless specified below.

While 10.1 does infer that you must use 19lb injectors "No parts may be replaced with anything other than OEM or direct
OEM replacement parts." It goes on to say "unless specified below." And the 24lb injectors are specified below in 10.2.

Now that I have typed all that, I think I see what you meant. You meant in 10.2 instead of 10.1.

Look at the column headings. 19lb injectors are listed in the "OEM parts" column. The TFS 24lb injectors are listed in the "TFS Kit Individual Parts" column. That is saying that TFS 24lb injectors are a legal modification to the OEM 19lb injectors.

In other words, the first column is not naming the parts in the third column.

Hope that clears it up.