8L90-E FOR LT4

price: $6,770
part number: 19419799
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    Chevrolet Performance has adapted the production-based 8L90-E 8-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 overall ratio helps enhance cruising efficiency. Two versions are available: a slip-yoke design for use with the LT4 engine, or a fixed-yoke design for use with the LT1 engine.

    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)

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