The sound is so brutal ... the cockpit when the engine comes on song, thanks to the efforts of Cosworth, which has now announced that production of Aston Martin Valkyrie road engines has come ...

Among NA engines in production today, one stands out as the most powerful ever made: the Cosworth 6.5-liter V12 in the Aston Martin Valkyrie ... plus a purer engine sound. On the other hand ...

Aston Martin drafted in Cosworth to help develop the hybrid powertrain. The British outfit was tasked with building the engine and admitted that the Valkyrie featured the most powerful naturally ...