G Class (W465/W463A) W463 Produced 2019-2024: G550, G63 AMG W465 Produced 2025-

Mickey Thompson Baja Boss A/T

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Old Oct 18, 2024 | 10:59 PM
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From: HI transplant in Seattle
2024 G63, 2021 X7M50i
Mickey Thompson Baja Boss A/T

Just swapped out the OEM tires for Mickey Thompson Baja Boss A/T 285/45-22. I'm now looking to add 23mm H&R spacers. Can anyone confirm whether this is the right p/n? 46958410SW

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Old Oct 20, 2024 | 01:21 AM
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Good choice in tires! I recently went with Toyo Open Country AT3’s and I’m happy with them.

As for the spacers, I believe those are the correct ones. I was looking into doing 31mm h&r spacers. From my research, the 31mm seems to make the wheel flush with the fender. Both will say not compatible with your car but I spoke with an h&r representative and he told me that if it fits the old G it will fit the refresh too.


31mm part # 62958410FW

Here are some pics I found of 31mm spacers with oem tires






Last edited by arya0807; Oct 20, 2024 at 01:26 AM.
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Old Jan 20, 2025 | 01:13 PM
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From: HI transplant in Seattle
2024 G63, 2021 X7M50i
31mm spacers rubbing

I put on H&R 31mm (P/N:62958410) spacers all around. I think it looks great but now I am rubbing the front fender liner. So I am considering going with the 23mm P/N: 46958410SW but just on the fronts. Does anyone know what size bolts I need? I recall someone saying the stock bolts are 45mm which would mean I need to order 68mm bolts which I believe are H&R P/N: 1456802. Does that sound right?



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Old Jan 21, 2025 | 10:34 AM
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Originally Posted by mprsev
I put on H&R 31mm (P/N:62958410) spacers all around. I think it looks great but now I am rubbing the front fender liner. So I am considering going with the 23mm P/N: 46958410SW but just on the fronts. Does anyone know what size bolts I need? I recall someone saying the stock bolts are 45mm which would mean I need to order 68mm bolts which I believe are H&R P/N: 1456802. Does that sound right?


Just replied to your DM, and then saw this post. I think you are correct in your math. If using the stock wheels, and you add a 23mm spacer then you need 23mm longer bolts than stock. Measure your stock bolts to confirm (just the threaded part to the start of the taper). I can't recall if the 23mm spacers are through bolt, or if they have offset lug bolts to mount them to the hub first, and then bolt the wheel to the spacer.
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