It's going for a world record -- with RallyCross star Tanner Foust and Hollywood stunt driver Greg Tracy racing a pair of vehicles through a six-story double vertical loop -- Saturday at X Games Los Angeles 2012 (2:20 p.m. ET on ABC/ESPN).
It's the Hot Wheels Double Loop Dare.
And for just what kind of physics will go into this wild stunt, check out the following infographic, courtesy of Hot Wheels.
To zoom in, press ctrl+ on your keyboard.