1997 8.8 Differential; Axle length determination

[allmyEXes]

I've come across another 8.8 that I think is out of a '97. I know that it is a Gen II because of the rear disc brakes that it has.
For some reason the RH axle is out of it. I have located replacement axles on ROCKAUTO. However there are 2 different lengths for RH and LH. On ROCKAUTO one axle listed has a length of 27.81". Lower down on the page is another listing and the length is 27.625". Why are there 2 different lengths available and how do I determine which one that I need?
ADDED! I meant to say two different listed for a RH axle...NOT and LH. Thanks @BKennedy For those who need to know, I think the RH and LH are ~ 2.75" different in length.

 

[BKennedy]

The left and right side axles are different lengths, but its a lot more than .2" because the differential is offset. I don't think that's your question, but the way you worded it makes it sound like that. I didn't know there was different length axle shafts because the housings are the same from 91-up as far as I know.

 

[allmyEXes]

Thanks @BKennedy. You caught my mental TYPO. I went back up and edit/added to it!

 

[BKennedy]

I figured that's what you meant.

I always go to this thread on the Ranger Station for 8.8 axles. It states that the Explorer 8.8's from 1991-2003 are all 59.625" in width. It also states the RH axle shaft is 27.620"

Ford Ranger/Explorer 8.8-Inch Axle (therangerstation.com)