Extended upper arms center rear wheels and add adjustability. 1991-pontiac-firebird-esi6483971 Rather than beginning with a

Rather than beginning with a 7

Available with raised white lettering

Each kit has been tested for compatibility and includes enough fluid for a complete oil change

Coil Over Only

caster corrected boxed lower arms

Extended upper arms center rear wheels and add adjustability. 1991-pontiac-firebird-esi6483971 Rather than beginning with aUMI Performance extended length upper control arms are designed to properly center the rear wheels in the vehicles wheel well on the Impala SS. These control arms are extended 5 8 but also feature additional adjustment to perfectly center the rear end. The adjustment allows the user to lengthen or shorten the control arms an additional 1 2 beyond the already extended 5 8 of an inch, all adjustments are made while the control arm stays attached to the