Walker performances of the hills brought him to the attention of Lofty England, the manager of Jaguar's sports car racing team, rewarded him with a drive in a Jaguar XK120 in this newly launched car's first race at Silverstone in 1949.
As actuacións de Walker nas subidas chamaron a atención de Lofty England, o xestor do equipo de carreiras de Jaguar, que o recompensou coa condución dun Jaguar XK120 na primeira carreira de este coche recentemente presentado en Silverstone en 1949.