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Lower strut bolt size?

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Old Oct 1, 2018 | 01:27 AM
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fmjnax08's Avatar
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Default Lower strut bolt size?

Installed a RC 2" leveling kit. I was torquing down the bolts for the final time after I finished and forgot to reset the ft/lb when moving on to the lower strut bolts (had it set at 150). Sheared the bolt right at the LCA. I'll take it back apart and put it in the vise to press it out. Anyway, I searched the usual parts stores and couldn't find any mention of a strut bolt. Forum and Google searches seems to conclude that it's not a purchasable part by itself and to just use a Grade 8 hardware bolt or maybe a wheel stud. I never could find any reference as to the size/specs of the bolt, though. I know the OE is flanged and pressed so I may not be able to get the same (unless I can find a comparable wheel stud). Does anyone have an idea or suggestion on what type of bolt to purchase for a replacement? Or just take what is left of the pressed out bolt to the hardware store and find a comparable Grade 8 bolt and locking nut?

Truck is a 2016 3.5L FX4.

Thanks!

Last edited by fmjnax08; Oct 1, 2018 at 01:49 AM.
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Old Oct 1, 2018 | 05:24 PM
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The studs are part of the strut and not sold separately. You can get the nuts but not the studs. As long as you use the same diameter a Grade 8 should be fine. Just make sure your nut is also a Grade 8. If you go metric they would be a Grade 10.8.
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Old Oct 1, 2018 | 06:33 PM
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They're splined, but you've probably figured that out. You can probably hammer a bolt through it, but I'd feel better drilling it out first so you don't crack the strut mount.
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