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If IPD doesn't furnish them in an alternative material they are probably not
necessary or desirable. The only ones I have used is the upper A-frame
bushings and don't notice a harshness but do notice better handling.
Am I correct in thinking you have metal-cased lower A-frame bushings?
If not, (if they are the same as the upper ones) polyurethane might be
good but my choice would be to get newer lower A-frames and go with the
later bushings (66375, I think, or some such).
--
George Downs Bartlesville, Heart of the USA!
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