It's a moot point as this thread is dead, but these headers do NOT fit the M111 NA (94 C220) without modification.
Not a dig against omey per se as other members did offer advice that it would certainly fit
Pictures of the existing header against the exhaust gasket that came with these headers.
Check out the far left.
That's a pretty big hole in the side of the engine to miss!
It added a chunk of change to my custom stainless exhaust that I was not expecting to spend. :hurt: