WJ passenger side knuckle on ZJ? - JeepForum.com
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Unread 03-12-2012, 10:48 AM   #1
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1995 ZJ 
Join Date: Feb 2011
Location: Bensenville, Il
Posts: 574
WJ passenger side knuckle on ZJ?

Can a WJ steering knuckle be used on a ZJ? I was looking at the wifes the other day and it looks like a better setup than my ZJ steering. heres a pic of what im talking about.

02 WJ Limited 4.7l HO-stock (Hers)
95 ZJ 4.0 Turbo-up 5.5 on 33x12.5's, Ford 8.8 w/Artec truss (His)
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Unread 03-12-2012, 03:15 PM   #2
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1998 ZJ 
Join Date: Nov 2009
Location: Rochester NY
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no. search "WJ knuckle swap"
you need to use WJ brakes, weld on a spacer, etc
'98 ZJ on 37s and tons
'97 Cummins 2500
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Unread 03-13-2012, 12:59 AM   #3
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1998 ZJ 
Join Date: Apr 2008
Posts: 222
WJ steering knuckles can be used on a ZJ. but it is not as simple as just using the knuckle itself. you must use WJ brake calipers/pads/rotors as well as ball joints, a spacer, bearing hubs i believe and possibly a few odds and ends. it is a good upgrade that a lot of ZJ owners with lifts or bigger tires run to improve stopping performance; take a look at the brake calipers side by side and you'll see how much bigger the WJ set up is than the ZJ.
5.9 ZJ... 4.5" Rubicon Express short arms. Bridgetone REVO 2's... 265/75/16.

2004 WJ... OME HD coils, Bilsteins shocks, JKS adj track bar, MOOG SS, ADDCO rear sway bar with ext., Bridgestone REVO 265/70/17.
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Unread 03-13-2012, 01:37 PM   #4
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2007 JK Wrangler 
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you will need to upgrade to the WJ brake booster as well, otherwise those bigger brakes won't do any difference.
07' JKUR rollin on 35s
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