1981 Tony Bettenhausen 100
Competition: USAC Gold Crown Series
Championship: USAC Gold Crown Series 1981
Circuit: Illinois State Fairgrounds
From: 15-08-1981
To: 15-08-1981
Competition: USAC Gold Crown Series
Championship: USAC Gold Crown Series 1981
Circuit: Illinois State Fairgrounds
From: 15-08-1981
To: 15-08-1981