Getting thier start in the Pacific Northwest, Joiner Motorsports moved to it's current location in “Race City” on the west coast, Bakersfield, Calif. in 1948. Joiner Motorsports specializes in shocks, springs, front end geometry, and complete race car set-up and fabrication.

Junior Joiner currently works on suspension tuning for some of NASCAR's Top Teams such as ThorSport Racing with drivers Matt Crafton and Shelby Howard as well as Billy Ballew Motorsports and Kyle Busch Racing.

Joiner Motorsports has since won races & championships in all divisions from weekly Late Models to the NASCAR Sprint Cup Series.