Thapilot - if your shifter was purchased within the past 2 years you should have no issues with the new material bushings. We have not had any reported failures. However, if you are still not satisfied with these new material bushings - the Hurst Extreme-Duty bushings have been available for a few months now:
http://www.hurst-shifters.com/?wpsc-...ck-xd-bushings