19419800 Transmission Assembly Kit-Auto LT5 8 Speed (8L90) W/ Controller And Harness Replaces 19418254
Chevrolet Performance has adapted the production-based 8L90-E eight speed automatic transmission for use with the LT1, LT4 and LT5 crate engines. A numerically high 4.56 first gear ratio offers strong take-off performance while a wide 7.0:1 overall ratio helps enhance cruising efficiency.
- Four gearsets for greater efficiency
- Five clutches - two brake clutches and three rotating clutches
- World-class upshift speeds
- Friction-reducing features include synthetic fluid
- 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
- Controller and harness included
- Torque converter included (engine specific)
Use with LT5 crate engines
Installation Instructions
Instructions PDF Link
