Porsche 918 

This race-bred powerplant descended from the championship-winning Porsche 918 Spyder’s racing V-8. The Porsche 918 salient features that take it to the outer limits of power per cubic inch include centrally located direct fuel injectors.Porsche 918  variable intake- and exhaust-valve timing, finger-follower valve actuation with Porsche 918  hydraulic lash control, forged