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Unread 07-09-2010, 06:46 AM   #1
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How can I ID my YJ springs???

I can read the numbers painted on my springs. Are they identifiable just by those numbers?

I don't know the MFG and would like to know how much lift they had new. Would also be a bonus to learn if they are decent springs; BDS, etc..

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Unread 07-09-2010, 06:58 AM   #2
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Whats the number???
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Unread 07-09-2010, 07:05 AM   #3
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I usually google part numbers if there is no manufacturing or company information on parts.
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Unread 07-09-2010, 07:58 AM   #4
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I have numbers on my Black Diamond. It was a populate lift system back in the early-mid 90's.

What are your numbers I will see if they match mine, pattern wise, etc.
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Unread 07-09-2010, 11:29 PM   #5
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How about pics of the springs and the numbers.
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Unread 07-12-2010, 03:37 PM   #6
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The numbers are 004359
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Looks to be 3.5 inches.
Need pics?
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Unread 07-12-2010, 03:52 PM   #7
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BDS from what I found on Google:

http://bds-suspension.com/pdfs/014350-014200.pdf

Bottom of page 2 has your spring number.
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Unread 07-12-2010, 05:36 PM   #8
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Originally Posted by Louie4 View Post
BDS from what I found on Google:

http://bds-suspension.com/pdfs/014350-014200.pdf

Bottom of page 2 has your spring number.
Cool. thanks, I found some loose references but no BDS docs like that. had it for 2 years and never knew. the PO told me he thought they were skyjacker. glad I came to consult the oracle on this. very glad to learn this
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Unread 07-12-2010, 05:38 PM   #9
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If they were Skyjacker would you be as happy?
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Unread 07-13-2010, 07:05 AM   #10
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If they were Skyjacker would you be as happy?
No, status quo. I was told they were sky jacker I just never believed it 100%. I put BDS springs on my CJ and was very happy with them. It is nice to know the PO put on high quality springs.

Since I re-torqued the shackles, I have always liked the springs on and off road. I am not any more pleased with their performance just because I know they are BDS, that would be silly.

I will probably be putting BDS shocks on to match at some point, mine are shot.
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Unread 07-13-2010, 07:47 AM   #11
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I'm a little late to this party, but yes, those are BDS part numbers for 3.5" rear springs. The part numbers for your shocks are 55955 Front, and 55950 rear for either the 3.5" or 4.5" lift kit. Thanks for the compliments, by the way. We appreciate it!
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Unread 07-13-2010, 08:03 AM   #12
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Originally Posted by BDS-Tech View Post
I'm a little late to this party, but yes, those are BDS part numbers for 3.5" rear springs. The part numbers for your shocks are 55955 Front, and 55950 rear for either the 3.5" or 4.5" lift kit. Thanks for the compliments, by the way. We appreciate it!
I got that part number off the front right spring. Are my front springs made for the rear?

I also have a shock issue before I order. I did a 8.8 swap and raised my lower shock mount 2-3 inches. The upper shock mount is stock. Does that mean I might bottom out the 3.5'' shocks?
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Unread 07-13-2010, 08:13 AM   #13
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I got that part number off the front right spring. Are my front springs made for the rear?

I also have a shock issue before I order. I did a 8.8 swap and raised my lower shock mount 2-3 inches. The upper shock mount is stock. Does that mean I might bottom out the 3.5'' shocks?
It's not that uncommon to run those in the front, we sell quite a few of these kits with that part number all the way around for the springs. As for your rear shocks, that will require a shorter shock- my best guess is that it's going to be a roughly stock travel shock- Cycle the rear suspension (Full stuff to full droop) and measure the distance between the mounting points at both, and call/e-mail me at BDS and I can help you match up a shock for the rear.
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Unread 07-13-2010, 08:16 AM   #14
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thank you.
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Unread 07-13-2010, 08:26 AM   #15
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No problem! Congrats on the best upgrade you can make to a Dana 35! Like I said, I think the rears will be stock-ish in length, but I have all kinds of shocks we can pick from.
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