Reamer for 77754-03K, 77754-04K and 77754-ISO
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
Fully compatible with '95-later with PWM/EC3 (electronically controlled capacity clutch) control.
4L60-E '97-earlier only, non-EC3 units
Fits all years & '98-later EC3 units