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SuperMaticâ„¢ 8L90-E Eight-Speed Automatic Transmission for LT4

Brand: Chevrolet Performance

Part Number: 24284063

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$4,275.00

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SuperMatic™ 8L90-E 8-Speed Automatic Transmission for LT4 Crate Engine

Chevrolet Performance has adapted the production-based 8L90-E eight-speed automatic transmission for use with the LT4 crate engine. A numerically high 4.56 first gear ratio offers strong take-off performance while a wide 7.0:1 overal ratio helps enhance cruising efficiency. This transmission features a fixed-yoke design output. 

24284063 Chevrolet Transmission

  • 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
  • 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 for LT4 crate engine included

 

Notes:

  • Use with LT4 crate engines P/N 19332621 (wet sump) or P/N 19332702 (dry sump)
  • Includes torque converter, controller and harness.
  • Must be used with compatible engine controller (P/N 19355167

Warranty:  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.)

 


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