I am in the middle of cleaning up a diff to swap into my kj for the broken one. Once I cleaned up the replacement it looks like it is oxidizing or crackling in some spots.
I'm still going to put her is it's better thank a broken one but kinda making me nervous.


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Ome927 + clevis & strut plate, Ome 948 + 2xtra iso's, Ome n131 hd, bilstein 5125 4in rears, jba A-arms, jba link extension, 265-75-16 Duratracs

Ship it over to my house in TX....I will run it for a while and tell you if it was good.

It looks ok to me, you can take it to a "head shop" and they can do a ultrasound on them for cheap if you want the piece of mind. But it looks ok, but Im no metal oxidation expert.

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2002 KJ Limited 3.7, 5.25" lift via coilovers, custom HD rear springs, 32.2" tires on moabs (soon 33s) 4.56/JBA diff, OX lockers front/rear, NP241OR, Parker Fab front/rear bumpers, rock rails and roof rack, Viair OBA.

2006 KJ sport 3.7, 4" Ironman lift, 32" tires, Parker Fab front/rear bumpers and rock rails.

It's going in tomorrow either way. Thanks for the input. I didn't think about ultra sound.


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Ome927 + clevis & strut plate, Ome 948 + 2xtra iso's, Ome n131 hd, bilstein 5125 4in rears, jba A-arms, jba link extension, 265-75-16 Duratracs

Looks normal to me. I have seen it lots of times on other castings as well.

Common and minor casting flaws for sand cast aluminum.