This is the Chevrolet Performance 4L70-E SuperMatic four-speed automatic transmission for two-wheel-drive applications. It is built on the 4L60E and 4L65E platform with upgraded internals and is designed to bolt up behind Chevrolet Performance crate engines. A torque converter is not included.
Specifications:
- Type: four-speed automatic with overdrive
- Drivetrain: 2WD and RWD
- First gear ratio: 3.06
- Second gear ratio: 1.62
- Third gear ratio: 1.00
- Fourth gear (overdrive) ratio: 0.70
- Torque capacity: handles up to 495 lb-ft
- Internals: five-pinion gearsets
- Torque converter: not included
- Sold: each
- Part number: 19368613
Applications:
- Two-wheel-drive and rear-wheel-drive GM applications
- Behind Chevrolet Performance LS and small block crate engines
FAQ
Is this a 2WD or 4WD transmission?
This is the two-wheel-drive, rear-wheel-drive version of the 4L70-E SuperMatic.
How much torque can it handle?
It is rated to handle up to 495 lb-ft of torque.
Is the torque converter included?
No, a torque converter is not included and should be selected to match the application.
What are the gear ratios?
First is 3.06, second is 1.62, third is 1.00 and fourth (overdrive) is 0.70.
What does it bolt up to?
It is designed to install behind Chevrolet Performance LS and small block crate engines.

