The fourth-generation Earnhardt from Mooresville, North Carolina, will reunite with Sam Hunt Racing for select Xfinity starts, beginning at Atlanta Motor Speedway in late February.
The 25-year-old Parsons from Cornelius, North Carolina, is set to compete for Henderson Motorsports throughout the 2024 Truck Series season, beginning at Daytona International Speedway.
The 21-year-old Heim from Marietta, Georgia, will compete in a second part-time Xfinity stint with Sam Hunt Racing alongside his full-time Truck Series campaign with TRICON Garage in 2024.
The Chicago native joins Trackhouse Racing following a three-year Cup Series crew chief campaign at Kaulig Racing, where he achieved a total of two victories with AJ Allmendinger.
The three-time Supercars champion from Auckland, New Zealand, will join forces with Pinnacle Racing Group for the 2024 ARCA opener at Daytona as a required procedure prior to a full-time Xfinity Series campaign with Kaulig Racing.
The 42-year-old Allmendinger from Los Gatos, California, is set to make his 11th career start and second with Kaulig Racing in the Great American Race in February 2024.
The 24-year-old Alfredo from Ridgefield, Connecticut, will attempt to compete in the 66th running of the Daytona 500 and at Talladega in Spring 2024 as part of Beard's part-time Cup campaign.