Boxed Upper Control Arms Aspire Auto Accessories Polyurethane bushings for the upper

Polyurethane bushings for the upper arms

5" Bump Stops

This intuitive process saves you time and effort

Lil Bs Install Guide for the GX 460 Bumper

4L V6 trucks

Boxed Upper Control Arms Aspire Auto Accessories Polyurethane bushings for the upperDescription 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