Originally Posted by 71_340
Slinger should just be a thin flat metal disc, it's purpose is to deflect most of the oil away from the actual seal. That's the basic design of it.
Should be by definition but not on the mod motors. That's why I said "slinger" is a poor description and actually in some catalog listings it's called a baffle but either way it is actually a seal.
Here's the rear main seal and part number,
And this is the slinger/baffle,