ive been looking like crazy... everything i see says something about a carb hookup.. well i need a lokar kickdown for a c4 to 5.0efi... these are what i assume???.... efi? http://www.jegs.com/i/Lokar/625/KD-20C4U/10002/-1 carb? http://www.jegs.com/i/Lokar/625/KD-20C4HT/10002/-1 will either parts work for my setup??