Reamer for 77754-ISO
Reamer kit F-77754-SERV is no longer in production but may be available from distributor inverntory. Bench tool kits 77754-SERV and 77754-RM5 are available for reaming GM SERV (remanufactured valve bodies).
Contact a Sonnax Parts Distributor.
See the Part Selection and Reaming Options Instruction sheet to determine which combined Sonnax parts and tool kits will repair your GM 4L60-E PWM and Non-PWM valve body