Upper & lower control arms

[Kenwood76]

Noob question. Why do aftermarket parts makers mostly only sell upper control arms but not lower? Looking at kryptonite for example

[ullose272]

Because they are used to correct alignment issues and ball joint angle. Lowers arent needed

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[fatwhiteboy]

ulloose is correct, every truck that I have lifted I replaced the upper control arm to get the proper articulation and alignment.  You have to get into a real expensive or exotic kit that requires the lower arm to be replaced.

[davester]

bigger lift kits (more than a couple inches) typically will have a bracket that moves the mounting points for the LCA down, so it has the correct angle.

[ullose272]

bigger lift kits (more than a couple inches) typically will have a bracket that moves the mounting points for the LCA down, so it has the correct angle.

These kits usually dont require uppers either because they put everything alot closer back to stock specs.

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