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GM Performance Automatic Transmission, SuperMatic 8L90-E, 8 Gears, Forward Shift , Automatic Valve Body, 4.56 First , Torque Converter, Chev LT4 Crate
Part Number:GMP-19419799
$9,900.00
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GM Performance Automatic Transmission, SuperMatic 8L90-E, 8 Gears, Forward Shift Pattern, Automatic Valve Body, 4.56 First Gear, Chevy, LT4, Kit (PART #GMP-19419799)
GM Performance SuperMatic 8L90-E transmissions have been adapted for use with the LT4 crate engines. Each of these 8-speed automatic transmissions feature a numerically high 4.56 first-gear ratio to offer strong take-off performance, while their wide 7.0:1 overall ratio helps enhance cruising efficiency.
Additional highlights of the SuperMatic 8L90-E transmissions:
- Four gear sets 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)
SPECIFICATIONS |
|
| Brand | GM Performance |
| Manufacturer's Part Number | 19419799 |
| Part Type | Automatic Transmissions |
| Product Line | GM Performance SuperMatic 8L90-E Transmissions |
| Number of Gears | 8 |
| Bellhousing Bolt Pattern Manufacturer | Chevy |
| Transmission Shift Pattern | Forward |
| Valve Body Style | Automatic |
| Torque Converter Included | Yes |
| Flexplate Included | No |
| Transmission Controller Included | Yes |
| Wiring Harness Included | Yes |
| Transmission Cooler Included | No |
| Advertised Flash Stall Rating | Stock |
| Trans-Brake Included | No |
| Lockup Compatible | Yes |
| Transmission Pan Style | Stock |
| Transmission Pan Material | Aluminum |
| Transmission Pan Finish | Natural |
| Yoke Style | Fixed |
| Input Shaft Material | Hardened steel |
| First Gear Ratio (Automatic Transmissions) | 4.56 |
| Transmission Case Style | OEM |
| Transmission Case Material | Aluminum |
| Transmission Case Finish | Natural |
| Transmission Shield Built In | No |
| Flexplate Shield Built In | No |
| Fluid Fill Location | Case |
| Transmission Fluid Included | No |
| Dipstick Included | No |
| Remanufactured | No |
| Quantity | Sold as a kit. |
| Notes | Includes torque converter, controller and harness. Must be used with compatible engine controller and LT4 crate engine. |
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