As is the main series, the winter championship is promoted and organized by Exclusive Racing and Exclusive Auctions.
All drivers competed with Honda-powered Ligier JS-F3 cars on Avon tires.
[1] All drivers competed with Honda-powered Ligier JS-F4 cars on Avon tires.
[1] The 2023 winter series calendar consisted of two rounds with two races each.
[5] Compared to 2022, Auto Club Speedway did not return to the schedule, with Thunderhill Raceway Park replacing it.