Gibbs made contact with Mayer as he passed him for the lead and went on to beat Christian Eckes. Mayer finished third.
On the cool-down lap, Mayer showed his displeasure with Gibbs by bumping his car, but Gibbs was able to keep control of it.
The race ended in a six-lap shootout. During the final caution, Gibbs was among the drivers who pitted. Mayer and six others stayed out.
Gibbs restarted eighth and was in second within one lap.
The win comes in Gibbs’ sixth career ARCA start. He has finished in the top two in four of those races.
Gibbs told MAV TV his contact with Mayer was fair game after Mayer made contact with him in a race earlier this year at Salem Speedway.