Valentino Musetti, Royale RP11 (14), leads Mike Tyrrell, Ensign LNF3 (36), and Matt Spitzley, March 713M/733 (7), in the GKN Forgings Trophy Race, Silverstone, 1973.
International Trophy 1973
The 1973 International Trophy meeting at Silverstone included the GKN Forgings Trophy Race, which was the opening round of the John Player British Formula 3 Championship
