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Castrol Wins

Castrol Wins - Mounted (Poster) One sheet vintage poster advertises the Castrol oil brand's success at the 1951 Isle of Man Tourist Trophy (I.O.M. T.T.) motorcycle races. It specifically highlights the dominant performance of racer G. E. Duke and the Norton motorcycles, which used Castrol oil. Race Highlights & Results The poster details the top finishers in the Senior and Junior TT races, which were part of the 1951 Grand Prix motorcycle racing season. Geoff Duke achieved a memorable double win, becoming the first rider to lap the Mountain Course at over 90 mph on a Junior machine. Race Position Rider Team / Machine Record Speed Senior 1st G. E. Duke Norton 93.826 m.p.h. 3rd C. McCandless Norton Junior 1st G. E. Duke Norton 89.90 m.p.h. 2nd J. Lockett Norton 3rd J. Brett Norton Other mentioned results from the poster: Junior Clubman's 1st: B. Purslow (BSA) Clubman's 3rd: G. J. Draper (Norton)