The 1973-74 IROC series pitted 12 of the world's best race drivers against each other in identically prepared, brightly colored 911 Carrera RSRs.
Legends like Mark Donohue, Peter Revson, Bobby Unser, Richard Petty, A.J. Foyt and Emmerson Fittipaldi competed in four races at Riverside and Daytona, with Donohue emerging as the champion.
Royal Blue Tees
Large Print Front/Center
Shirts printed on Premium 4.3oz. Preshrunk 100% Combed Cotton w/ Printed Neck Label
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