Streetside Tools SST-0149 - GM - Input Clutch Housing Spring Compressor Transmission Tool Made in the USA! Makes removing the clutch spring retainer easy. Engages the lugs and pushes the piston return spring enough to access the snap ring The whole process takes just a few minutes. For use on these Transmissions 700-R4, 4L60, 4L60E, 4L65E & 4L70