Engine cutaway showing two pistons with direct-injection injecto…

Cutaway display engine sectioned lengthwise through two cylinders, showing dished pistons with sculpted crowns, connecting rods, and the cylinder walls opened up. Above each piston sit a Bosch spark plug and a piezo direct-injection injector angled into the combustion chamber, with valves and the head casting exposed at left.

AI caption May 2012 · Photo 554 of 575