SuperMatic 8L90-E Eight-Speed Automatic Transmission for LT1
- Four gearsets for greater efficiency
- Five clutches – two brake clutches and three rotating clutches
- World-class upshift speeds
- Friction-reducing features include synthetic fluid use
SuperMatic 8L90-E 8-Speed Automatic Transmission
- Gear ratios: 1st: 4.56, 2nd: 2.97, 3rd: 2.08, 4th: 1.69, 5th: 1.27, 6th: 1.00, 7th: 0.85, 8th: 0.65, Reverse: 3.82
- Use with LT1 crate engines
- Includes torque converter, controller and harness.
- Must be used with compatible LT1 engine controller (P/N 19355167)
Supersedes old P/N 19356329.
This is superseded by P/N 19417579.
12-month, unlimited mileage warranty unless purchased as part of a Connect & Cruise Powertrain System. (Connect & Cruise components are covered by a 24-month or 50,000 mile warranty.)