Boxed Upper Control Arms best 4runner armor Every kit is hand built

Every kit is hand built in the USA with top of the line materials machined to precise tolerances and assembled by our experienced shock technicians

a secondary battery system on the passenger side

Squegees are not recommended and not needed

Use our contact form to get in touch with us

• S1 Clear/Amber – Up to 8 lights

Boxed Upper Control Arms best 4runner armor Every kit is hand builtDescription There are multiple issues when lifting your vehicle with stock upper control arms. Both the geometry and strength are compromised due to over articulating the stock arms. We solved these problems by designing our upper control arms with increased castor and repositioned pivot angles reducing stress on the joints. The increased castor allows for proper alignment and improved handling. We also replaced the weak factory ball joints with 1