Injector Lb/Hr	Max V8 HP	HP supported by 1 injector	Ford Color*
14 Lb/Hr	228	28.56	Gray
19 Lb/Hr	310	38.76	Orange
24 Lb/Hr	391	48.96	Lt Blue
30 Lb/Hr	490	61.19	Red
36 Lb/Hr	587	73.44	Dk Blue
42 Lb/Hr	685	85.68	Lt Green
60 Lb/Hr	800	100

Colors are only constant for Ford Racing Performance Parts brand name injectors.

Article & images courtesy of fordfuelinjection.com.