Motorsport stars brace for Superstock challenge in Rotorua

All eyes turn to the dirt this weekend with the Time Line Valvoline Superstock Charity Invitational set to take over Paradise Valley Speedway in Rotorua. Celebrities, Superstock racing, Stockcars and a fireworks display are on the cards over two nights of entertainment. Greg Murphy, Andre Heimgartner, Ryan Wood, Richie Stanaway, Hayden Paddon, and Chris van …