1973 - Ralph Parkinson

		Heat	Dash	B Feature	A Feature

6/1/1973

Heartland Motorsports Park - Topeka, KS 410 Sprints - Non-Winged				Results
Ralph Parkinson (410 Sprints - Non-Winged)	-	-	-	5th

8/9/1973

Knoxville Raceway - Knoxville, IA 410 Sprints - Winged				Results
Ralph Parkinson (410 Sprints - Winged)	-	-	-	16th

8/11/1973

Knoxville Raceway - Knoxville, IA 410 Sprints - Winged: All Star Circuit of Champions				Results
Ralph Parkinson (410 Sprints - Winged)	-	-	-	20th