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hey guys i was wondering i have a 3 inch rustyoffroad lift and well i did not need need control arms but i am thinking about doing 2 inch spacers and shackles in the rear but i need to know the measurements for the upper and lower control arms i plan on fabing up new arms so i can save some money so if ne one could help i would love it

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What I've gathered:

 

Rusty's sends out 16.75" lower control arms with their 5" kit, and 16.25" for their 4" kit, so a little length makes quite a difference.

Also, their arms are made of .250 wall DOM. Hardy stuff.

 

How much road time will the truck see?

 

You'll probably want adjustable arms if it sees alot of road time, so that you can use a jam nut to lock them in place for a quiet and more stable ride, that can have it's flex increased on the trail by backing off the nut.

 

Heims are a good route to go for a vehicle that sees more time in the dirt. If you want quality, rebuildable heims, they cost a pretty penny.

 

As for construction, I assume you plan on keeping the stock mounting locations, which means you'll need to fix your arms with a bend to clear the stock LCA mount on the axle. At 5" of lift, the arms will hit this mount while your suspension is not cycling.

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I orderd fixed LCA's from rusty for a 5" lift and they sent my arms that are 16 1/4 long.... from what i have seen they should be 16 5/8 so i need to call him back i guess. I have a feeling this is gong to be my first bad rustys experance.

 

Lift...........Lower Control Arms/Upper Control Arms

********Decimal**Fraction**Decimal**Fraction

Stock........15.75.......15 ¾........15.00.......15

2”.............15.92.......16............14.88.... ...15

3”.............16.09.......16............14.92.... ...15

4”.............16.33.......16 3/8......15.03.......15

4.5”..........16.47.......16 ½........15.11.......15

5”.............16.62.......16 5/8......15.21.......15 ¼

6”.............16.97.......17............15.44.... ...15 ½

7”.............17.36.......17 3/8......15.74.......15 ¾

8”.............17.81.......17 ¾........16.09.......16

9”.............18.30.......18 ¼........16.50.......16 ½

10”...........18.82.......18 ¾........16.96.......17

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