Hesitation between 50 and 75 under light acceleration
 

Hesitates under light acceleration on the high way. Doesn't happen under 50mph. New fuel filter, ran injector cleaner, new plugs and wires. Replaced one bad coil, new pcv valve, new treat diff fluid with friction modifier 75 90 synthetic new air filter, new tps. 98 camaro v6 3.8l 4 speed automatic. Idles perfect. No ses light or codes. Any tips suggestions or ideas? Tired of spending money and it not being fixed

have you tried cleaning the maf, only use maf cleaner and follow directions.