What is LS7?

the latest V8 to come out of GM. Its a 7 litre 427ci small block engine developing around 377kw or almost 500hp. Besides a few V8's being developed by mercedes and BMW it is the most powerful 8 cylinder naturally aspirated(no turbo/supercharger) engine in the world. Fitted to the Z06 corvette, possibly to be added to the Australian HSV models.