MODEL FACTORY HIRO: 1/12scale Fulldetail Kit : 917K [1971] Ver. A 1971 LM 24hours WinnerMODEL FACTORY HIRO: 1 12scale Fulldetail Kit : 917K [1971] Ver. A 1971 LM 24hours Winner The 917 was first debuted in the prototype sports car race in 1969, and was upgraded when Works asked John Wyer Automotive Engineering to enhance the machine's aerodynamics aspect. Thus the short tail version of 917K was debuted. In the 1970 season the 917K conquered most of the endurance races and won the international makers championship and the overall champion