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Discussion Starter · #1 · (Edited)
2015 Duramax

Wanting to replace my front and rear shocks. I got some Bilstein 4600's for both ends. Since they don't come with bolts (with the exception of the top part of the front shocks), what size bolts (head size, length) and nuts do I need to replace them with?

Thanks
 

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Why not use the originals?
 

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I'm just preparing for the worst lol Its my only vehicle so if the bolts stripped or rusted, I dont want to have to walk all the way to the parts store
Given that your truck is a 2015 the original bolts should be good. Easy enough to inspect the bolts to see what their condition is.
 

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I just installed 5100s on the front and rear of my Michigan salt infested 2016 and was able to use the originals wherever it was necessary. I did spray some PB Blaster on them before trying to make them turn.

The heads had a bit of surface rust, but the threads etc were in pretty good shape.
 
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