Underside of a cast aluminum supercharger case with rotors visib…

A cast-aluminum Eaton-style supercharger case sits upside down on a workbench, showing the machined bolt flange, the open rotor cavity with the twisted rotors visible at left, and a raised cast number "806729" on the housing wall. A red-and-blue tool case and shop rags are visible underneath.

AI caption March 2011 · Photo 138 of 172