Plain, cheap Autolites. Dyno proven results and they are only like $1 each.
Don't even get the Platinum ones, just the plain copper ones.
'94 GT5.0 5speed, 170,000 mile long block, GT40, FRPP headers, 65mm TB, Pro 5.0, 3:55s, pulleys, Flowmaster, BBK X-pipe, FRPP Cobra front AND rear brakes, Tokico 5-way Illumina struts and shocks, Eibach springs: 235 rwhp, 291 rwtq.
04 Screaming Yellow Cobra - pretty much stock.
458 rwhp, 435 rwtq.