Ceramic-coated four-cylinder tubular exhaust header installed in…

Close-up down into the engine bay of a four-cylinder motor, showing a ceramic-coated tubular header with four primary tubes bolted to the exhaust side of the head. Black spark plug wires run across the cam cover, and vacuum lines, a yellow oil dipstick handle and a surface-rusted bracket surround it.

AI caption August 2006 · Photo 25 of 768