Perfect Circle
Country: United States of America
Parent Team:
Also known as:
- Perfect Circle / Duesenberg
Competed in championships:
| Year | Championship | Racing Class | Driver(s) | Manufacturer / Chassis | Manufacturer Model | Engine Supplier | 1927 | USAC Gold Crown Series 1927 | Champ Car | Benny Shoaff | Duesenberg | Duesenberg | 1927 | USAC Gold Crown Series 1927 | Champ Car | Eddie Hearne | Duesenberg | Duesenberg |
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