In pace car guise, the ZR1 wears a light bar atop its roof, and a bunch of vinyl, but otherwise is marked out from the typical ZR1 only by its 2013 year-model status and 60th Anniversary package.
Here, you'll see it lapping the Brickyard. It's the 11th Corvette and the 23rd Chevrolet to get Indy 500 pace car duties.