fuel injector size?

[smellmygas]

how can i find out what size my injectors are? are they different in color? because mine are orange...im trying to buy a mass air conversion but i just want to make sure i have 19lbs injectors so i dont buy the wrong mass air sensor.
any help is greatly appreciated

 

[Qwk88LX]

Yeah, my 19's were orange..I've got 24's now & they're blue.

 

[jrichker]

Orange & tan (they were orange before they got old and the heat bleached them out) are 19 pound injectors.