1973 Vallelunga 6 Hours
- Sunday, March 25, 1973
- 6 Ore di Vallelunga
- World Championship of Makes
Circuit - Vallelunga
Country
Italy
Location
Campagnano di Roma, Lazio
Type
Permanent road course
Length
1.988 (Miles)
Record
Alessandro Zanardi (Reynard 91D-Mugen), 1m04.939, 110.208 mph, F3000, 1991