4056-1 - 1964-1972 GM A-Body Front Upper A-arms, AdjustableNote: Upper a arm P N 4056 1 includes standard height ball joints and must be used with A Body tall spindles. In most cases shims are not needed. Shims may still be required on some applications.

Adjusting the harness bar height is critical to obtain optimum shoulder harness angle to prevent spinal cord compression injuries in the event of an accident

This kit is combined with our eccentric lockout for the lower camber arm to prevent movement of your rear camber

Replace your factory control arms with UMI’s single adjustable tubular setup for a serious performance upgrade

helping drivers maintain precise control at all speeds

The built in drive shaft loop will not clear factory y-pipe and y-pipes that bolt to the factory manifolds on 1998-2002 models

ACEA Service Class A3

ASTM D4741 6

and a smooth

Pontiac 400

No Assembly required***

Each race oil product is a multi-grade

This kit includes rear lower control arms and an on-car adjustable panhard bar