JR Motorsports (pronounced "Junior Motorsports") is an American professional stock car racing team based in Mooresville, North Carolina, co-owned by Dale Earnhardt Jr., Kelley Earnhardt Miller, L.W. Miller, and Rick Hendrick. It currently competes in the NASCAR Cup Series, NASCAR Xfinity Series, eNASCAR Coca-Cola iRacing Series, CARS Late Model Stock Tour, and occasionally in the NASCAR Advance Auto Parts Weekly Series.
The team fields the No. 40 Chevrolet Camaro ZL1 part-time at the NASCAR Cup Series for Justin Allgaier. The team also fields four full-time entries in the Xfinity Series: the No. 1 Chevrolet Camaro SS full-time for Carson Kvapil, the No. 7 Camaro full-time for Allgaier, the No. 8 Camaro full-time for Sammy Smith, the No. 88 Camaro full-time for Connor Zilisch, as well as the No. 9 part-time for multiple drivers. The team fields the No. 88 Camaro full-time in the CARS Late Model Stock Tour for Connor Hall.