Mood Springs is a company that makes springs and formerly sponsored Chuck Armstrong, Banks, and Dud Throttleman, and is currently sponsoring Ed Truncan. The sponsor's purpose is unknown, though it most likely makes springs for cars. Many Mood Springs advertisements appeared in Tokyo.
Mood Springs crew chief.
The 1950's Mood Springs logo.
The 1950's Mood Springs slogan: "Put a S-P-R-I-N-G in your Drive".