Complete modern computerized machine shop service to bore the .997" or also know to most of you as the 1" countershaft hole in your 1966 - 1974 Case number 3885010, 3925660 and 3925661 to accept our aluminum alloy bushing. This allows a "Second Life" for those impossible to replace cases with badly worn pin support holes that can no longer be used because of out of tolerance, improper support and leakage issues. All work is performed by experienced "Long Term" machinists on computer controlled equipment using original factory prints for correct dimensional data. We do them in our own facility, right here in Central Michigan for total quality control. Turn around time is typically 10 days, (most cases are done in 3 days) from the time we recieve them. If you have a numbers matching case for your car, DO NOT DISCARD IT for a replacement, Remanufacture it back to "FACTORY NEW" condition with our case repair/restore services. Call us TOLL FREE at 1-877-614-GEAR to arrange the machine work that your case needs to put it right back in "Factory New" service condition.