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Unread 10-14-2013, 11:59 AM   #1
fishtruck
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Long U bolts for SOA leaf replacement

I am stuck on finding the u-bolts for the front dana 30 axle, 1987 YJ.

I have found re2420 kit - but some raters have said the u bolts are not long enough for SOA (7 inches in my case) and the dimensions are not listed anywhere. Email pending from rubicon express.

A am looking for 1/2 x 2.5 (or 2.55?) x 7 or 8 inch u-bolts x 2. I can only find them 6 ish inches long.

and

1/2 x 3.5 x 7 or 8 inches. I found these in 5/8 inch only.

Anyone know any good sources?

Further commentary... I noted that the previously installed U bolts do not even come through the nut. Definitely too short!

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Unread 10-14-2013, 12:03 PM   #2
Bong_Holyeo
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Ruffstuff ubolts are all 10" long but are 5/8" thick not 1/2. cant say enough good things about their products

http://www.ruffstuffspecialties.com/...g/U-BOLTS.html
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Unread 10-14-2013, 12:38 PM   #3
calvynandhobbs
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Quote:
Originally Posted by Bong_Holyeo View Post
Ruffstuff ubolts are all 10" long but are 5/8" thick not 1/2. cant say enough good things about their products

http://www.ruffstuffspecialties.com/...g/U-BOLTS.html
x2 Perches, plates and ubolts for my SOA all came from RuffStuff
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Unread 10-14-2013, 12:44 PM   #4
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You definitely want to go with a size up on ubolts. Make sure your perches aren't too tall. I haven't used a set yet that I didn't first cut down. No reason for them to float the pack 2-3 inches from the axle tubing.
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Unread 10-14-2013, 01:01 PM   #5
Anticanman
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I have all my ubolts custom made on the spot at a truck parts house.
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Unread 10-14-2013, 02:10 PM   #6
fishtruck
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Thanks guys.
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Unread 10-14-2013, 05:18 PM   #7
jbolty
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These are the NAPA numbers for the stock size bolts but upsizing is a good idea.

650-4076

650-4002
napaubolts.jpg

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Unread 10-14-2013, 05:37 PM   #8
Joe Dillard
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When I still had a HPD30 and did a SOA conversion, I used the RE2420 ubolts & they were plenty long enough.

Unless they have changed to a shorter length, they should be fine SOA unless there's some sort of oddball perch being used.

I would have called RE.
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Unread 10-14-2013, 08:47 PM   #9
TSEJEEPERS
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I would also get the plates from ruff stuff.
It is pretty easy to bend the stock plates.
http://www.ruffstuffspecialties.com/.../25J-UPLT.html
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Unread 10-15-2013, 05:59 AM   #10
fishtruck
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I was going to use the plates that are already there and drill them for bigger u bolts of needed... but... I just ordered the new plates instead. Less rusty stuff the better I suppose.
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Unread 10-15-2013, 06:18 AM   #11
WDNewman
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http://www.generalspringkc.com/product_p/u%20bolts.htm

This is where I'm going. The PO had U bolts that were about 3" too long installed and did not cut 'em to size. If I don't change them one day I'm going to hit a stump.
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Unread 10-15-2013, 09:25 AM   #12
TSEJEEPERS
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Quote:
Originally Posted by WDNewman View Post
http://www.generalspringkc.com/product_p/u%20bolts.htm

This is where I'm going. The PO had U bolts that were about 3" too long installed and did not cut 'em to size. If I don't change them one day I'm going to hit a stump.
Cut them down.
You do not need to remove them to do this.
You can use a saw zaw or a angle grinder with a cut off wheel.
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Unread 10-15-2013, 01:00 PM   #13
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Quote:
Originally Posted by TSEJEEPERS View Post
Cut them down.
You do not need to remove them to do this.
You can use a saw zaw or a angle grinder with a cut off wheel.
X2. I didn't know to cut them down when I installed my SUA lift, I did later with the grinder. I need to trim the rear ones since I removed the degree shims.
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Unread 10-15-2013, 08:36 PM   #14
fishtruck
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Regarding the perches... the ones I have are about 1.25 inches tall. I see the ones from ruff stuff appear to be about .75 inches tall. I have a traction bar - so hopefully axle wrap won't be an issue. BUT, I am going from wrangler springs to reverse eye 1.5 inch lift springs and adding a 4 degree shim to the rear axle. Maybe I should replace the perches too while I am at it? (I don't want too much more lift).
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