Utilizing high-precision machining technologies and their very own Polyurethane Manufacturing Department, every Revshift product is designed, manufactured, and tested in-house at their Detroit, Michigan facility.
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Fall Line’s mono ball spherical bearing conversion kit transforms the rear suspension feel of the E46 and E36 M3. The factory rubber bushing is very large, and is prone to substantial deflection under load, as the M3 is put through its paces. Deflection of the bushing can create unwanted geometry change, steering wobble under braking, and even hysteresis of the thrust arm.
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