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Northridge4x4 Grade 8 Bolt Kit with AEV 2.5 Dualsport?

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Old 04-07-2013, 11:29 AM
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Default Northridge4x4 Grade 8 Bolt Kit with AEV 2.5 Dualsport?

Im getting this lift soon with geo correction brackets and was wondering if I should pick up this hardware kit. I've read threads and watched videos about the bolts fitting better in to the LCA holes and sway bar holes for teraflex products, do they also fit better for the aev kit or will the slightly larger bolts not fit in the aev holes?
Old 04-07-2013, 11:30 AM
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By "AEV holes" I mean the rear track bar holes and correction bracket holes.
Old 04-07-2013, 12:56 PM
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Use the AEV provided hardware it will all fit. Plus I would rather have tight fitment that may require a little work over a sloppy one.
Old 04-08-2013, 11:09 AM
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the aev kit re-uses all the stock bolts though...
Old 04-08-2013, 11:10 AM
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so what im saying is that there isn't really any new hardware
Old 04-08-2013, 11:13 AM
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You don't need Grade 8 bolts. Grade 5 is the correct bolt for the application. Grade 8 will shear under stress, and Grade 5 will bend or stretch, which is preferable for suspension components.
Old 04-08-2013, 11:20 AM
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why does northridge sell the grade 8 kit then, shouldnt they sell a grade 5 kit?
Old 04-08-2013, 11:34 AM
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Love the internet sometimes. LOL
Old 04-08-2013, 11:36 AM
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To answer the OP's question. Kit works just fine. Installed it with my 2.5" AEV kit and now run it with my 3.5" kit.

Just be prepared for the different size Nut and Bolt combo. You will need 21mm and 22mm to be able to install.
Old 04-08-2013, 11:40 AM
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Originally Posted by walk2480
why does northridge sell the grade 8 kit then, shouldnt they sell a grade 5 kit?
It's because the Grade 5 bolts that come from the factory are wrong. Here is what they do to the inside of the Track bar and control arm bushings over time:

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The factory put 14mm fully threaded bolts into a 9/16" bushing. This small difference allowed the arms and bars to vibrate and the threads ate away at the bushings and mounts, oftentimes causing Death Wobble to stock Jeeps, such as my own.

So, if you are going to upgrade to the correct bolts, you might as well get ones that won't bend, strip, or tighten down enough.

Grade 8 bolts will tighten down enough without stripping to hold those bushings in place. Plus they are shouldered enough to not allow vibrations that can eat away bushings.


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