Royal Purple Selects Grand Prize Winner of the Royal Purple Indy 500 Sweepstakes Posted on June 30, 2016June 30, 2016 by Costa Oil - 10 Minute Oil Change Royal Purple Selects Grand Prize Winner of the Royal Purple Indy 500 Sweepstakes Information Royal Purple, lately introduced Kentucky native, Aaron Lewis, because the grand prize winner of the Royal Purple Indy 500 Sweepstakes. …read more Sending User Review 0 (0 votes)