- All manual transmission choices come standard with a high performance dual disc clutch assembly.
- NEW FOR 2017 – GM PERFORMANCE PARTS® is offering their brand new 8L90-E heavy-duty 8 speed AUTOMATIC TRANSMISSION for the LT- 4 !
- Automatic transmission: There is no up-charge for the automatic transmissions that match-up with the engine selected as shown below. All choices include a high volume transmission oil cooler.
- Automatic 4L65-E 4 speed auto. is standard equipment with the base LS-3 engine
- Automatic 4L70-E 4 speed auto. is standard equipment with all LS-7 engine upgrades
- Automatic 8L90-E 8 speed auto. is standard equipment with all LT4 engines
- 6 Speed T56 Super Magnum Manual Transmission
Tremec Super Magnum transmission & installation kit as required (as sold by GM)
- *Note: The up-charge for the Manual Transmission is due to the additional parts required. For all our Exotic SSX models that have a 6-speed manual installed, we have selected a High Performance Dual Disc Clutch assembly, plus a high performance Custom Shifter that will be installed. (Refer to “POF” (Production Order Form) for the up-charge cost of selecting the Manual Transmission options.
Connect & Cruise Powertrain systems:
These are complete engine & transmissions combo packages from General Motors will be used whenever possible. These packages are beneficial to car builders and are being sold by GM Performance Parts to confirm proper power train equipment matches for the user.
GM’s new combo-drive-train packages are listed in the Performance Parts Catalog under “Connect & Cruise”.