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Swapping open diff to lsd

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Old Feb 26, 2023 | 11:03 AM
  #1  
Marnice's Avatar
Marnice
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Default Swapping open diff to lsd

So I purchased a 2021 is 350 without the dhp, not knowing that meant it came with an open diff and now I’m kinda unhappy with it. So I was wondering if there was any way I could swap in the Torsen lsd into it? If anyone could send a link to where I can buy one it would be appreciated.
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Old Mar 1, 2023 | 09:17 AM
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I believe 41301-53051 is the part number for the actual torsen unit, which can be swapped into your differential case.
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Old Mar 15, 2023 | 08:22 AM
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Originally Posted by TreysGS460
I believe 41301-53051 is the part number for the actual torsen unit, which can be swapped into your differential case.
What's the gear ratio on these?
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Old Mar 15, 2023 | 02:47 PM
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Originally Posted by FennyMike
What's the gear ratio on these?
I believe it doesn't have one... this swaps into your diff and reuses the gearing.
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Old Jan 10, 2025 | 01:15 AM
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Did you ever go through with the swap? Considering the same for my 2024 IS350
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