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Anyone use H&R spacers for 2021 g63? Extended studs?

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Old Apr 24, 2021 | 06:39 PM
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Anyone use H&R spacers for 2021 g63? Extended studs?
Looking for spacers 15mm for my 21 g63 trying to figure out which part number is for my specific truck from what I can tell is 20958410SW is the right one but just want to confirm.

Also can anyone point me to the right length and size studs?

Thanks
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Old Apr 24, 2021 | 09:42 PM
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Originally Posted by marcolarco52
Looking for spacers 15mm for my 21 g63 trying to figure out which part number is for my specific truck from what I can tell is 20958410SW is the right one but just want to confirm.

Also can anyone point me to the right length and size studs?

Thanks
Best advice is to contact H&R and talk to a sales rep. If they send you the wrong spacers or bolts, you can exchange them.
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Old Apr 25, 2021 | 11:38 AM
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My mistake the spacer part I keep seeing online will work is 30958410sw with 45mm studs.

Don't know if the spacers are the same for pre 19 models and 19+ models?
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Old Apr 25, 2021 | 12:04 PM
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Originally Posted by marcolarco52
My mistake the spacer part I keep seeing online will work is 30958410sw with 45mm studs.

Don't know if the spacers are the same for pre 19 models and 19+ models?
45mm is the factory stud length. You would want them 60mm for bolt-through on a 15mm spacer.

Spacer Part Number: 30958410SW
Stud Part Number: 1456002SW

Both of those are for black. Silver is without the SW at the end.

Yes, the same spacers work for 463 and 463A.
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Old Apr 25, 2021 | 02:27 PM
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Originally Posted by The Butcher
45mm is the factory stud length. You would want them 60mm for bolt-through on a 15mm spacer.

Spacer Part Number: 30958410SW
Stud Part Number: 1456002SW

Both of those are for black. Silver is without the SW at the end.

Yes, the same spacers work for 463 and 463A.
Just measured my studs for my after market wheels that came off my old G. They are 30mm I assume because those wheels have deeper stud holes?
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Old Apr 27, 2021 | 07:32 AM
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BTW, the H&R 21mm spacers are thick enough that they can use their own separate mounting bolts so you can then use them with your stock length lug bolts.
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Old May 12, 2021 | 10:06 AM
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Originally Posted by marcolarco52
Looking for spacers 15mm for my 21 g63 trying to figure out which part number is for my specific truck from what I can tell is 20958410SW is the right one but just want to confirm.

Also can anyone point me to the right length and size studs?

Thanks
Please trust me on this. I just got a 21 g63. The tires are well into the fender stock. 15mm wont do much. I went with the H&R 31mm and it looks perfect, like factory. Search this part number 62958410SW and get 2 of them. The spacers will come in black. Everything you need is included. Simple install.
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Old May 12, 2021 | 11:17 AM
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Originally Posted by sweetazzj186
Please trust me on this. I just got a 21 g63. The tires are well into the fender stock. 15mm wont do much. I went with the H&R 31mm and it looks perfect, like factory. Search this part number 62958410SW and get 2 of them. The spacers will come in black. Everything you need is included. Simple install.
This depends on what you're trying to achieve. If all you're concerned about is ensuring your over-sized tires clear the truck's suspension components, 15mm might do the job and will least stress the suspension. If you're after the Tonka Toy look and want your tires to extend outboard maximally, go with the 31mm's.
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Old May 12, 2021 | 11:29 AM
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Originally Posted by streborx
This depends on what you're trying to achieve. If all you're concerned about is ensuring your over-sized tires clear the truck's suspension components, 15mm might do the job and will least stress the suspension. If you're after the Tonka Toy look and want your tires to extend outboard maximally, go with the 31mm's.
I wouldn't say my truck looks like a Tonka Toy. The tires barely stick out of the fenders. It's a clean look. Everyone that's seen the truck so far doesn't even notice it until I point out that it was done.
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Old May 12, 2021 | 02:10 PM
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Originally Posted by sweetazzj186
. Everyone that's seen the truck so far doesn't even notice it until I point out that it was done.
Doesn't that defeat the purpose?(lol)
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Old May 12, 2021 | 03:11 PM
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Originally Posted by streborx
Doesn't that defeat the purpose?(lol)
I'd rather them not notice because it looks factory, than have them point out how the tires are buried in the wheel well.
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Old May 12, 2021 | 04:41 PM
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Originally Posted by sweetazzj186
Please trust me on this. I just got a 21 g63. The tires are well into the fender stock. 15mm wont do much. I went with the H&R 31mm and it looks perfect, like factory. Search this part number 62958410SW and get 2 of them. The spacers will come in black. Everything you need is included. Simple install.
The two thicker H&R spacers come with everything you need (the 5 extra sub-bolts to attach them). The thinner 15 mm ones require longer studs which are not supplied with the spacers. Be sure you remove the spacers before you take it in to the dealer for the bearing problems that might develop.
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Old May 12, 2021 | 09:41 PM
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Originally Posted by sweetazzj186
Please trust me on this. I just got a 21 g63. The tires are well into the fender stock. 15mm wont do much. I went with the H&R 31mm and it looks perfect, like factory. Search this part number 62958410SW and get 2 of them. The spacers will come in black. Everything you need is included. Simple install.
Could you upload some pics of how it looks with the spacers? Thanks
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Old May 13, 2021 | 10:11 AM
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Originally Posted by ustaadG
Could you upload some pics of how it looks with the spacers? Thanks
Sure thing. Also note I am lowered on HR springs.







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Old May 14, 2021 | 04:53 AM
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Originally Posted by sweetazzj186
Sure thing. Also note I am lowered on HR springs.



Beautiful G! Do the wheels stick out past the fenders? Or would you say they’re flush with the fenders?
I’m thinking 20mm spacers as I have the 22in wheels/tires considering they’re 10mm wider than the 21inch wheels.
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Old May 14, 2021 | 10:17 AM
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Originally Posted by ustaadG
Beautiful G! Do the wheels stick out past the fenders? Or would you say they’re flush with the fenders?
I’m thinking 20mm spacers as I have the 22in wheels/tires considering they’re 10mm wider than the 21inch wheels.
They stick out just a tiny, tiny bit. Just barely. You might be ok with the 20mm then.
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Old May 14, 2021 | 12:08 PM
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Originally Posted by sweetazzj186
They stick out just a tiny, tiny bit. Just barely. You might be ok with the 20mm then.
Even with the modest OE 275/50R20 tires and the wider AMG package fender flares, the paint on the wrap-under rear bumper is exposed to debris spitting off the tires. I mounted mud guards on the rear -- they look dorky, but provide some protection when I encounter road work signs that announce "fresh chip seal", and can't turn around.
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