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