73154 Motormax Premium American Classics - 1970 Ford Mustang Boss 429 Hard Top. 1:18 scale diecast collectible model car. This 70 Ford Mustang Boss 429 measures 10.25"L x 3.75"W x 2.5"H diecast classic car with open able doors & hood, steerable front wheels, detailed engine and interior. This 70 Ford Mustang Boss 429 is manufactured by Motor Max Toys. 73154 is in BLACK color. Sits on a display plaque. Individually packed in a window box. Box size: 14"Lx 6.25"Wx 5.5"H.