The Z102 entered production with a 2.5 (2,472 cc) litre engine, as was used in the prototypes, though later variants used a 2.8 L (2,816 cc), and 3.2 L (3,178 cc) litre DOHC desmodromic 32-valve V8 360 horsepower engines with multiple carburetors or an optional supercharger.