Rey Mysterio is the Honorary Pace Car Driver at the NASCAR Auto Club 400

Rey Mysterio is the Honorary Pace Car Driver at the NASCAR Auto Club 400

The Nascar Auto Club 400 just got injected with a little 619! 

Yes, Rey Mysterio was the Honorary Pace Car Driver at the NASCAR Auto Club 400 race on Sunday in Fontana, Calif. Check out all the social media highlights from Mysterio's appearance at the track! 

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