Extended upper arms center rear wheels and add adjustability.UMI 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

pinion angle tuning

AW1 JWS 3324

and a 4140 heat-treated Chrome-Moly adjuster

2054-200 - 1982-2002 GM F-Body Rear Coilover Kit

offering 2 to 4 percent more power than oil of a similar viscosity 20WT is a 5W20

Acura/Honda

UMI Performance's kit includes tubular rear lower and upper control arms

A progressive valve will have a softer low-speed force that ramps up very quickly as shaft speed increases

D4 ATF also provides a GL-4 level of gear protection

Tighten these nuts

Nissan MTF HQ Multi 999MP-MTF00P

Note: Not currently approved for Grand National platform with intercooler