Wighton levelled the scoreboard for the Raiders in the 24th minute before young Raiders forward Paul Vaughan carried two defenders over the tryline for a 12-6 lead.
Tariq Sims was placed on report for a dangerous tackle in the shadows of halftime and man-of-the-match Jarrod Croker slotted the ensuing penalty.
With the Raiders completing their sets more consistently, the Cowboys began tiring, and Wighton crossed for his second try as the halftime siren sounded to give the Raiders an 18-6 lead.
The Cowboys hit back through winger Curtis Rona - yet the comeback would be short-lived.Raiders skipper Terry Campese made a statement against his critics, cracking open some lazy Cowboys defence to put Jarrad Kennedy over.
McCrone and Wighton then teamed up again against Lui and the Cowboys' left-hand defence to put winger Reece Robinson over.
Not done, the Raiders sunk the boot in with late tries to Croker and Milford.The win will be a huge boost for the Raiders, who have leaked 134 points in their last three games against Manly, the Warriors and Penrith.
- AAP