1971 Chevy Chevelle SS454 Convertible, Silver - Welly 22089 - 1/24 scale Diecast Model Toy Car 1/24 scale diecast collectible model car. This Chevy Chevelle SS 454 is a 7.5"L x 3"W x 2"H diecast metal car, free wheel action, and openable doors & hood. Individually packed in a window box. Item22089WSV isinSILVER color.