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10-Speed Automatic Transmission for GM LT4 Engines 19420480

$6,085.63

  • Four gearsets for greater efficiency
  • Gear ratios: 1st: 4.70, 2nd: 2.99, 3rd: 2.15, 4th: 1.80, 5th: 1.52, 6th: 1.28, 7th: 1.00, 8th: 0.85, 9th: 0.69, 10th: 0.64 Reverse: 4.87
  • Controller and harness included
  • Torque converter included (engine specific)
Due to world events we are working with our manufacturers every day to ship and receive parts. If the part you are looking for is time sensitive please give our team a call at 855-806-1147 before ordering to ensure it's availability.

Shipping is free, but there is a delivery fee for residential addresses.

GM 10-Speed Automatic Transmission

P/N 19420480

The SuperMatic™ 10L90-E 10-speed automatic transmission offers a technologically advanced balance of performance and efficiency when matched with Chevrolet Performance’s LT Crate Engines, including the LT4, and LT5. Based on the robust transmission offered in the Camaro SS ZL1, as well as the latest full-size trucks and SUVs, our SuperMatic 10L90-E transmission kit features a slip yoke-type tail shaft, allowing it to be used with the conventional prop shaft design used in most older vehicles. That makes it easier to install on LT engine swaps into vintage cars, trucks, and SUVs.

The 10L90 is one of General Motors’ most advanced automatic transmissions, and its wider 7.39 overall gear ratio spread enhances off-the-line performance, with an aggressive first-gear ratio of 4.70. Three overdrive gears in the 10-speed enable lower-rpm highway driving that can enhance fuel economy, allowing your resto-mod or Pro Touring classic to deliver a great balance of performance and efficiency. Our 10L90-E includes the torque converter and controller.

  • Four gearsets for greater efficiency
  • Gear ratios: 1st: 4.70, 2nd: 2.99, 3rd: 2.15, 4th: 1.80, 5th: 1.52, 6th: 1.28, 7th: 1.00, 8th: 0.85, 9th: 0.69, 10th: 0.64 Reverse: 4.87
  • Controller and harness included
  • Torque converter included (engine specific)

Use with LT crate engines (wet sump or dry sump)
Must be used with compatible engine controller

Kit Contents:

  • 10L90 Trans
  • I-sheet
  • Harness
  • Torque converter
  • Vent tube
  • TCM
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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.