Backing up the E-ROD emissions-friendly engine lineup is GMPP’s new beefed-up SuperMatic 4L70-E automatic transmission and Transmission Controller. They’re designed to simplify the whole process of doing an E-ROD swap, and all the electrical engineering has been done ahead of time – getting the transmission to talk to the engine control unit is literally a plug-and-play affair.

  • 13-vane pump with heat-treated stator support
  • Five-pinion input and reaction carriers
  • High-performance 2-4 servo
  • Heat-treated sun shell
  • Heavy duty low roller clutch assembly
  • Upgraded 3-4 clutch pack
  • High energy 2-4 band