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Which is more robust for off-roading?

  • 1-Bolt

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  • 5-Bolt

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2011 Forester JDM
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10 Posts
Discussion Starter · #1 ·
Noob question coming up.
Other than the number of bolts, what other differences does the 1-bolt and 5-bolt R160 rear diffs have?

I have a 2011 Forester non-turbo JDM and looking at the diff I can see 1-bolt. I love off-roading so I was wondering is there any gain in replacing the 1-bolt with a 5-bolt diff?
 

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Registered
2018 Forester 2.5i 6MT
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475 Posts
Looking at rockauto and various parts, it seems that the 5 and one bolt differentials share a lot of internals. I can't imagine there would be much of a strength difference between any of them.
Are you looking to put a locker in it?
 
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