We likely don't have to tell you the details of the Corvette ZR1's LS9 engine, but just in case, it's a 6.2-liter (376ci) mill that's force-fed by a 2.3-liter Roots-type supercharger using Eaton's ...

Nothing says hot rodding like dipping into the stock parts bin at GM, mixing and matching OEM components, and coming out the other side with almost 50 extra rear wheel horsepower and OE reliability.

We may earn a commission from links on this page. 2009 Corvette ZR1 Powered By The Most Powerful Production Engine Ever From GM: The Supercharged LS9 Small-Block V-8 PONTIAC, Mich. - When it arrives ...