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U-bolt size

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Old 03-23-2009, 10:22 PM   #1
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U-bolt size

I'm gonna plead stupid to not knowing what size u-bolts i need for my rear end, i'm going to be installing 3in blocks soon so any info to help me would be nice or links to what i need.

Thanks,
Nickey
Old 03-24-2009, 12:06 AM   #2
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Re: U-bolt size

My belltech ubolts that came with 3" blocks are 10" tall, 3" inside spread, and looked to be 7/16th wire.
Old 03-24-2009, 07:51 AM   #3
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Re: U-bolt size

the thread size on belltech u-bolts is 1/2-20. our axles are 2.75" diameter so 3" "spread" works, but is a little big.
the u-bolts that jtr sells are very nice, beefy ones. i have stripped to many belltech ones to ever use them again.
click here for info on jtr's u-bolts.
Old 03-24-2009, 10:25 AM   #4
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Re: U-bolt size

Quote: Originally Posted by Twin-10s
the thread size on belltech u-bolts is 1/2-20. our axles are 2.75" diameter so 3" "spread" works, but is a little big.
the u-bolts that jtr sells are very nice, beefy ones. i have stripped to many belltech ones to ever use them again.
click here for info on jtr's u-bolts.
I see they keep mentioning they are 2" drop ubolt, are those gonna work with my 3" blocks?
Old 03-24-2009, 11:52 AM   #5
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Re: U-bolt size

Quote: Originally Posted by Corvette454l88
I see they keep mentioning they are 2" drop ubolt, are those gonna work with my 3" blocks?

P/N #S10-505 will work with your 3" blocks.
Old 03-24-2009, 12:11 PM   #6
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Re: U-bolt size

Quote: Originally Posted by Twin-10s
the thread size on belltech u-bolts is 1/2-20. our axles are 2.75" diameter so 3" "spread" works, but is a little big.
the u-bolts that jtr sells are very nice, beefy ones. i have stripped to many belltech ones to ever use them again.
click here for info on jtr's u-bolts.
X2
Old 03-24-2009, 05:30 PM   #7
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Re: U-bolt size

Like Twin-10 and Petro say, go with JTR for the best quality solid aluminum blocks and beefy 9/16" u-bolts. I did and I'm glad.
Old 06-20-2012, 08:20 PM   #8
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Re: U-bolt size

refered to this link. tryed that size does NOT work with three inch blockes
Old 06-20-2012, 08:25 PM   #9
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Re: U-bolt size

ooop's.......nevermind
Old 04-17-2013, 01:52 PM   #10
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Re: U-bolt size

I hace a 94 s10 lowered and i have to bring the suspension back up to stock for md inspection and the only thing i need is factory u- bolts what size are they?
Old 04-17-2013, 06:43 PM   #11
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Re: U-bolt size

Old 04-21-2013, 09:49 PM   #12
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Re: U-bolt size

If you're not going to run them long and they just check height I'd get 3" u-bolts. They're easier and cheaper to come by.
Old 04-26-2013, 12:53 AM   #13
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Re: U-bolt size

I used these on my truck.



Same measurements and thickness as the JTR U-Bolts and I was able to pick them up at Summit Racing...

Those will work with 3" blocks too, as they are over 9" long.
Old 04-26-2013, 01:07 AM   #14
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Re: U-bolt size

That's the same ones I have.
Old 04-26-2013, 01:24 PM   #15
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Re: U-bolt size

They're only 35 bucks too...
Old 04-26-2013, 09:51 PM   #16
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Re: U-bolt size

I just had a local welding shop make some u bolts for me. $40 for all 4. 1 day turn around on them. He made them to my specs.
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