Your favourite 400 Thunder Pro Categories are are back! We kick off 2020 at Willowbank Raceway on Saturday 4th January with Top Fuel, Pro Alcohol, Pro Stock Pro Stock Bike. Being the first event of the year, and first round for the 400 Thunder Pro Series at Willowbank for the season you’ll see a huge field of local and interstate racers hit the black top hoping to gain championship points early in competition.

In addition to our Pro Categories you’ll see the 400Thunder Sportsman racers in Pro Radial, Modified, Modified Bike, Super Street, Junior Dragster and Super Gas run at Willowbank Raceway. Nitro, Blown or Turbo, Bikes, Sedans or Dragster, this event has all the variety and action of the Winternationals jam-packed into one day!