GM 4L60E 4L65E 4L70E BILLET FORWARD CLUTCH PISTON by SONNAX
GM 4L60E/4L65E/4L70E
SONNAX BILLET FORWARD CLUTCH PISTON
Part #S74964B (77764-01)
Upgrade over stock cast piston
Fits GM 4L60/4L60E/4L65E/4L70E
Automatic 4 speed transmissions
All orders ship within 24 hours of purchase (excluding weekends)