The TJ's D30 is a standard rotation and it uses a crush sleeve. However, unless you are planning on installing the gears yourself and it doesn't sound like you are, I would have the installer provide all of the parts for warranty reasons. If you provide a shop the parts, they will only warranty their labor and if anything goes wrong, they'll just blame the parts you provided and want to charge you the labor costs again if the gears need to be replaced due to a screw-up during the installation they'll never own up to.
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