A wheel alignment adjuster for a motor vehicle suspension of a twin-flange strut-type comprises an elongate plate having a transverse slot. A bolt passes through aligned upper holes in the flanges of the suspension strut and the bolt engages through the transverse slot in the plate. The bolt has a non-circular cross-section with a cam washer having an aperture corresponding in shape and size to the cross section of the bolt but having a circular periphery, the aperture in the cam washer being offset from its center; the periphery of the cam washer is restrained between side flanges extending from the front face of the plate. The adjustor is installed by: removal of one of the bolts which normally fixes the vehicle hub mounting arm to the twin flanges, boring out substantially the bolt holes in the flanges, installing the adjuster bolt through the enlarged holes with protrusions from the rear of the plate engaging in upper and lower portions of the enlarged hole to locate the transverse slot centered on the hole, rotating the bolt head to displace the bolt along the slot to the preferred position to set the wheel camber, and applying a securing nut to the free end of the bolt to clamp the suspension in the selected position.
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