Sebring Onboard Porsche IROC 911 David Hinton HSR group 5
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HSR group 5 Onboard porsche 911 IROC for the lead at Sebring International raceway. Historic Sportscar Racing Ltd is a time machine of mechanical sight and sound. HSR is the leader in competitive vintage racing, offering sprint, endurance, and special series race events.
- Sebring Raceway