1968 Rear Leaf Spring Bushings Help!?
I have a ‘68 K20 that I’m just trying to get back on the road. I cannot for the life of me find a set of leaf spring bushings to fit the wider rear springs. I’ve been on the phone with places like Energy suspension, MOOG, and a handful of random spring shops folks have recommended.
I’m looking for someone who has an actual part number for something that will work. Surely there’s a bushing out there for something else that will fit these trucks. For those unaware, the 67/68 rear springs were 3.25” at the eyes. When you order a “kit” to fit 67-72 pickups and you have these wider rear springs, none of the kits will work. |
Re: 1968 Rear Leaf Spring Bushings Help!?
Do you have an old fashioned spring shop close by that still makes springs? I'm sure they would be of help to you.
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Re: 1968 Rear Leaf Spring Bushings Help!?
See the receipt Clay posted in his build thread here:
He and I have 67 K20's and just redid the springs. https://67-72chevytrucks.com/vboard/...&postcount=150 |
Re: 1968 Rear Leaf Spring Bushings Help!?
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Ok, I'm looking at it trying to figure out which one is the one you need, and not sure. I do know the RB-117 is what we used in the Shackles.
Maybe it's the RB-98, check the dimensions. That's GM PN 3887751 also. |
Re: 1968 Rear Leaf Spring Bushings Help!?
1 Attachment(s)
Here's a snip from the GM Parts Catalog. You can still get 3887751 from the dealers.
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Re: 1968 Rear Leaf Spring Bushings Help!?
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Re: 1968 Rear Leaf Spring Bushings Help!?
I’m going to try a set of the rb98. Those dimensions seem to be correct.
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Re: 1968 Rear Leaf Spring Bushings Help!?
I also used the RB98 bushings but had to trim some off the ends to fit hangers then put the notches back in with a cut off wheel on my K1500. I also used the RB117's in the shackles.
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Re: 1968 Rear Leaf Spring Bushings Help!?
67KM1590 it's funny you mention that. I ground the nubs off the ends of the bushings to narrow them up a little too. I should get one of the 3887751 from the dealer to see if they are as wide.
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Re: 1968 Rear Leaf Spring Bushings Help!?
The rb98 bushings fixed me right up. I really appreciate the help. That little project had me hung up for a few days. I had to grind the nubs down as well. No biggie. Thanks all!
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Re: 1968 Rear Leaf Spring Bushings Help!?
Believe it or not, a year ago I did mine on my 70 C20 with HD rear suspension. Got everything I needed from Rock Auto
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