Help with spring eye bolts

[sandawgk5]

I did a search and found the forward eye of the front springs is 9/16"X5" and the rear bolts on the front springs including the frame are 7/16"X5". Question I got is I am putting after market 4" lift springs in the front if they ever get here and the DIY4X flip in the rear with stock 56s. What bolts do I need for all 6 locations 3 front and 3 rear. The shackles I have for the front are 4.5" and have 1/2" holes and the rear shackle is 6" with 1/2" holes. Any help is appreciated.

Thanks

Ira

 

[beater_k20]

the rears on my K10 and my C10 were both 9/16 x 4.5, i used 5s because they were easier to find and worked just as well.

 

[sandawgk5]

So I can drill out the rear shackles and use 9/16 on all the rear bolts. What do I have to do to run 1/2 or 9/16 in the rear 2 bolts on the front springs.

Ira

 

[readymix]

New bushings, and drill out your shackles

 

[sandawgk5]

Do they make bushings for 9/16 or 1/2 bolts I would prefer 9/16 just for ease of replaceability ya know less spares to keep.

Ira

 

[readymix]

Sure do, My truck is 9/16 all the way around

 

[sandawgk5]

Sweet I live like a block from National Spring I will see if they have any.

Ira

 

[beater_k20]

So I can drill out the rear shackles and use 9/16 on all the rear bolts. What do I have to do to run 1/2 or 9/16 in the rear 2 bolts on the front springs.

Ira

shouldnt have to drill anything out. all of the trucks i've torn apart have been 9/16" all the way around on the rear.

 

[sandawgk5]

I have Kert's shackle flip with his 6" shackles on his site it says they are drilled for 1/2".

Ira