OK, I copied this from a site only because I could not read it without some trouble. This is what it is.
It's a sleeve that covers your FG differential and never moves/spins.
This keeps any and all rocks and crap from ever rubbing your diff.
Original web site: Interesting differential sleeve click here
Here is the translation for the page the best I could.
TITLE:
The Diffschutz has an established right at the Aluminum sleeve bearing support is attached, which includes differential and up into the large differential gear goes into it.
The flat side of the base installed later.
Install/press the piston holder on the right side bearing seat of the axle mount support.
The Piston installed through the support and holding the Diffschutz.
With the flat side down and Diffschutz installed.
The right carrier with the drilled 1.00 mm holes.
The Diffschutz installed.
It's a sleeve that covers your FG differential and never moves/spins.
This keeps any and all rocks and crap from ever rubbing your diff.
Original web site: Interesting differential sleeve click here
Here is the translation for the page the best I could.
TITLE:
The Diffschutz has an established right at the Aluminum sleeve bearing support is attached, which includes differential and up into the large differential gear goes into it.
The flat side of the base installed later.
Install/press the piston holder on the right side bearing seat of the axle mount support.
The Piston installed through the support and holding the Diffschutz.
With the flat side down and Diffschutz installed.
The right carrier with the drilled 1.00 mm holes.
The Diffschutz installed.
LOL