I don't have the ring gear on this differential to measure. I had to install it on the Eaton LSD when I put it in.

Please explain what you mean by bolt circle.

There is no snap ring in this differential. There is a place for one , but no way to get it in.

I can see what you are looking for though. The measurement I made was from the outermost part of the differential to the innermost part of the side gear. This will tell you how much of the axle is inside the differential. I'm also going to measure the axle spline length on my axle (when I can pull it) to compare against the measurement from the snap ring location to the end of the axle shaft location in the side gear. This way ARB can make their side gears with the correct spline length to fit our axles.

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