The AVS Shadow, also known as the Shadow Mk.I, is a purpose-built sports prototype race car, designed, developed and built by Shadow Racing Cars to Group 7 racing specifications, specifically to compete in the Can-Am racing series, in 1970. It was Shadow's first Can-Am car. Powered by a naturally aspirated, Chevrolet big-block engine, developing 740 hp (550 kW), and 655 lb⋅ft (888 N⋅m) of torque.^{[1][2][3][4][5][6][7][8]}