GM Performance Automatic Transmission, SuperMatic 10L90-E, LT4 Engine, 10 Speed, , 28 Spline, with Torque Converter, Controller, Harness, kit

Additional highlights:
Electro/hydraulic controls with clutch-to-clutch shifting
Four gearsets and six clutches: two brake clutches and four rotating clutches
7.39:1 overall gear ratio spread
Aggressive 4.70:1 first gear for enhanced off-the-line performance
Three overdrive gears, with 0.64:1 top gear ratio
Torque rating: 650 lb.-ft.
Includes torque converter and controller
Includes cooler line adapter with #6 AN fittings
Includes production-style vent tube
Must be used with compatible engine controller