4L60E: 3 PC Piston Kit – (1997-Up)
4L60E Federal Mogul 3 PC Piston Kit – 1997+ K77900P 74960 OEM 4L60E Federal Mogul 3 PC Piston Kit – 1997+ K77900P 74960 OEM. 4L60E Federal Mogul 3 PC Piston Kit – 1997+. 1 – Federal-Mogul Forward Molded Piston 1 – Federal-Mogul 3-4 Molded Piston 1 – Federal-Mogul Overrun Molded Piston.