From a press release issued by AHRMA:

Three-time AMA Grand National Champion Jay Springsteen will compete on an Hourglass Racing-sponsored Harley-Davidson XR-750TT in AHRMA roadracing July 19 and 20 during AMA Vintage Motorcycle Days at Mid-Ohio Sports Car Course in Lexington.

Springsteen will race in the Formula 750 and Formula Vintage classes both days. He has made appearances on the Hourglass machine this year in AHRMA Pro-Flo/Progressive Suspension Historic Cup nationals at Daytona Beach, Florida, and Albuquerque, New Mexico.

Other AHRMA action at Vintage Motorcycle Days includes a Friday night dirt track at Ashland, Ohio, a Saturday trial and Sunday vintage motocross, both at Mid-Ohio.