Ex-Ernst Kraus/Jurgen Barth 1972-73 European Interserie and David Hobbs/Mike Hailwood Gulf-JW Automotive team 1970 Le Mans 1972-73 Porsche 917 Interserie Spyder née 1970 Gulf-JWA Le Mans 917K Coupe Chassis no. 917 026 (until Le Mans 1970)/917 031 Engine no. 917 031