SuperMatic 10L90-E 10-speed Automatic Transmission for LT

SuperMatic 10L90-E 10-Speed Automatic Transmission

The GM Performance SuperMatic 10L90-E is a factory-engineered 10-speed automatic transmission designed for high-performance LT engines, including the LT1, LT4, and LT5. It delivers precise gear changes, high torque capacity, and proven durability for street and track use.

Specifications

• Type: 10-speed automatic, electronically controlled

• Model: 10L90-E (SuperMatic)

• 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

• Torque Capacity: Rated for LT4 power levels (650+ hp)

• Clutch-to-Clutch Design: Yes – no bands

• Weight (Dry): ~230 lbs (varies with configuration)

• Length: ~26.5 inches

• Fluid Type: Dexron ULV (Ultra Low Viscosity)

• Electronics: Integrated TCM (transmission control module) compatibility with GM controllers

Applications

• Direct fit for LT4-powered vehicles (Camaro ZL1, CTS-V, and custom LT swaps)

• Suitable for performance street and racing builds requiring high torque handling and fast shift performance