Abstract: An automotive suspension system bushing is provided, including an inner sleeve, an outer sleeve having an upwardly generally perpendicular extending flange, and a non-fluid filled elastomeric isolator bonded to the inner and outer sleeves, the isolator having transversely aligned solid sections and first and second generally arcuate axial slots geometrically spaced with respect to one another, the first slot having a major arcuate portion with a generally uniform axial first thickness and the second slot having a major arcuate portion with a non-uniform axial second thickness, the second slot on an axial upper end having a thickness more than one millimeter and less than the first slot thickness and the second slot thickness being tapered axially downward wherein at least one-third of the axial length of the second slot along the lower end has contact between the fore and aft walls of the second slot.