Do they make a power programmer for a 87 ford 5.0?

i have an 87 ford 5.0 engine, bored 40 over with gt40 heads, e303 cam, mustang cobra throttle body,msd ignition system and bigger injectors in my truck it feels like i should have more power, do they make an power programmer that will update my ecu to these modification or will i half to get my ecu reprogrammed at a shop