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Spring and shackle bolt sizes?

outlaw612

1/2 ton status
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Feb 11, 2001
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Springfield, Illinois
Im gonna be putting my lift on and want to get new bolts. Does anyone know what size and length for the front and rear springs and shackles?
 
I believe they're 7/16 from the factory on my 89. I got the ORD bushings and shackle kit and those are 1/2", just make sure that the sleeves in the bushings match the bolt diameter. FYI - The ORD bolts are drilled and fitted with grease zerks (sp?).

John
 
Very front spring bolts and all the rear spring bolts are 9/16" and the front spring shackle bolts are 7/16" from the factory.
 
Yep, those are the right sizes. The 9/16" bolts on the front are 5" long, and the back are 4 1/2" long. They are grade 8, and use Nylok nuts. I had to buy mine from a fastener supply company.

John
 
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