Crush sleeve eliminator

Certainly not worth opening it up and swapping it out if there's nothing wrong.

Agreed, I'm under the impression he's either putting one together or changing out some gears.

If it's apart I certainly would throw it in, I have another 489 housing that will be getting some new gears soon and I will be using one. And the only reason I will use it is for ease of dis-assembly and assembly, I certainly won't have the horsepower to require it.