Product DescriptionSuperlift's suspension lift system has several key elements. First, one-piece cross members drop down the factory lower control arms. The front differential assembly is lowered the same amount to keep the Constant Velocity (CV) axles at their proper operating angle. New cast ductile iron steering knuckles connect the relocated lower control arms to the factory upper control arms. The upper arms remain in their factory location on top of the frame rails. The new knuckles address steering linkage geometry as well; the outer tie-rod attachment points are repositioned so factory linkage angle and arc of travel remains unaffected.The 1990 to 1995 model 4-Runner has a coil spring / 4-link rear suspension; our 4" rear lift system achieves lift via replacement coil springs. Factory suspension geometry is restored thanks to a track bar relocation bracket, upper and lower link arm-to-frame relocation brackets and compression stop brackets. This kit also includes a brake proportioning valve bracket and limiting straps. Toyota IFS 4" Suspension Lifts
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