[3] Exclusive Autosport signed Lucas Fecury to their team for his second season in the championship following a 14th-place finish in 2024 with DEForce Racing.
[19] Pabst Racing signed G3 Argyros who competed part-time last season with Jay Howard Driver Development.
[14] The team also signed Caleb Gafrarar who most recently competed in the FF1600 United Formula Ford series.
[15] Jay Howard Driver Development signed Anthony Martella who graduates from USF Juniors after running part-time with Exclusive Autosport in 2024.
[20] All rounds except the weekends at NOLA and Lucas Oil Indianapolis Raceway Park will run in support of the IndyCar Series.