sorry for the late reply mate but the part number for that bolt is genuine: ER 5K500 AKT (Kit Upper Arm Camber Service), it replaces the bolt that goes through the upper outer control arm on the rear and the washers push on the stub axle to adjust it, i fitted them to mine no worries and made a good difference, unless the vehicle is dumped, like mine on dirty SSL king springs, but the horrific things will get the chop soon enough haha. Ps. the part number covers only one side, from memory it was $50 for 1, but it is worth it as its simple and effective.
16-06-2012, 07:11 PM
Re: Coil overs for AU XR8 with IRS
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