Bleh !

[Bondonutz]

Originally Posted by RC-Monster Mike

In order to make the aluminum coupler work on the LST diff, the coupler needs to be reamed to 8mm all the way through and a new set screw threaded hole needs to be added(to the opposite side) to properly engage the pinion shaft. You can send them back to me for the modification if you like. :)

And the little lip on the diffs output shaft will need ground flush w/flat spot