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19244043 NEW SuperMatic™ 4L70-E Four-Speed Automatic Transmission

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19244043 NEW SuperMatic™ 4L70-E Four-Speed Automatic Transmission GM Performance Parts
    Parts #: 19244043

    Parts #19244043

    Greater performance with enhanced efficiency is the cornerstone of a growing movement in environmentally conscious hot-rodding. One of the best ways to improve drivability and drastically improve the efficiency of your street rod, resto-mod muscle car or classic truck is installing a modern, electronically controlled automatic overdrive transmission. The new GM Performance Parts SuperMatic 4L70-E transmission P/N 19244043 - is designed to complement high-performance engines with exceptional efficiency, strength and the shift characteristics enthusiasts demand. Based on the renowned Hydra-Matic 4L60 series of four-speed overdrive transmissions, the 4L70-E delivers greater torque carrying capacity and increased durability - and it's built with the highest quality OEM parts. It is designed for engines making up to 480 horsepower. Construction and feature highlights include: * A 13-vane pump with a heat-treated stator support * Five-pinion input and reaction carriers * High-performance 2/4 servo * Heat-treated sun shell * Heavy-duty low roller clutch assembly To further increase the performance and long term durability, GMPP upgraded the 3-4 clutch pack and installed a high-energy 2-4 band. Power loss is diminished with the use of needle bearing assemblies and associated components, which replace conventional thrust washers. The new SuperMatic 4L70-E is the perfect complement to a GMPP crate engine, forming a bulletproof powertrain for any four-wheeled project you can dream up. SuperMatic™ 4L70-E Four-Speed Automatic Transmission * Based on the 4L60-E/4L65-E * Increased horsepower and torque capacity * Features five-pinion gearsets, heat-treated stator shaft splines, induction-hardened turbine shaft, seven-plate clutch and specific valve-body calibration * Gear ratios: 1st: 3.06, 2nd: 1.62, 3rd: 1.00, 4th: 0.70 * Torque converter not included NOTE: Use with electronic controller P/N 19212657.

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