What bolts to use on leafs/shackles

[Paul61001]

Anyone know what size and kind of bolts to use for rear part of the leaf and also a bolt for the shackle? grade 8? Thanks

 

[magimerlin]

I cannot remember the length but I believe they were 1/2" or the metric equivalent. Take a ruler, tape measure or a caliper and take a look at it. There is usually enough threads sticking out the measure and or to try a nut on it at the parts store... But yes i would use grade 8.

 

[Vanquish]

They dont have to be grade 8, a grade 5 bolt will pull through the shackle before it shears twice.

 

[BRIANHO13]

9/16 " bolt grade 5 is plenty. The one that goes into the welded nut in the frame is 14mm I think.

 

[Hackmeister]

i'm pretty sure htey were M14x2

 

[jeepfreak1020]

For the top I called jeep and got the factor bolt that way it fit perfect with no flaws. And I a 9/16 for the shackle

 

[XJJeepNewb]

I just ran into this, the bolts are Metric M14-2.0 x 120mm. Class 10.9......and I've had zero luck finding them anywhere.

 

[builder]

9/16 works fine on shackle end

 

[homebrew]

Not what you are asking about, but food for thought.
I learned the hard way that grade 5 must "not" be used for the center pin. (snapped the head off the bolt c clamp wasnt tight enough pack exploded on my finger.

 

[kastein]

I just spent some time looking into this for my upcoming spring replacement/possible lift... stock bolts are part number 3420 2118 (need 4), stock nuts are part number 1150 2814 (need 4, only 2 if you don't screw up the ones in the unibody rails at the front end of the springs). I don't know the part number for the bolt at the center of the spring pack unfortunately.

You can get them from stores.zmjeeps.com for a very reasonable price - or a few other sellers if you google a bit.