The 584 bhp 2.9L F6 is an engine originating from the 1987 Porsche 959 S.
Games[]
Need for Speed: Unbound[]
The 584 bhp 2.9L F6 in Need for Speed: Unbound is a pro rated engine available through the "Performance" menu in the garage.
It can be upgraded to produce up to 832 bhp (620 kW) from its stock 584 bhp (435 kW).
Cars[]
The engine can only be fitted into the Porsche 959 S (1987).