ZS_12 is the code name for Erko's 12-cylinder engine. It is a 5.0-litre, 60-degree V12 engine, which produces 576 kW (796 bhp) at 7,000 rpm and 900 N·m (664 lb·ft) of torque at 5,200 rpm, making it one of the most powerful engines in the world. It is mated to a seven-speed dual-clutch transmission, and it is used in 500 Erko models. The ZS_12 engine is constructed from aluminum alloy and magnesium, and features four valves per cylinder and four overhead camshafts. It also features direct-injection and variable-valve timing, as well as dry-sump lubrication, titanium connecting rods, and variable intake and exhaust ports.