Description

8L90 Transmission for sale

8L90 Transmission for sale. The GM 8L90 transmission is an advanced 8-speed automatic transmission designed to deliver superior performance, enhanced fuel efficiency, and smooth shifting for modern vehicles. Manufactured by General Motors, the 8L90 is part of GM’s 8-speed longitudinal transmission lineup and is engineered to handle the rigorous demands of powerful engines while maintaining refined drivability.

Key Features and Specifications

• Gear Ratios:
  The 8L90 transmission features optimized gear ratios that deliver quick acceleration, seamless power delivery, and excellent highway fuel efficiency.
  • 1st Gear: 4.56
  • 2nd Gear: 2.97
  • 3rd Gear: 2.08
  • 4th Gear: 1.69
  • 5th Gear: 1.27
  • 6th Gear: 1.00
  • 7th Gear: 0.85
  • 8th Gear: 0.65
• Torque Capacity:
  Designed for high-performance applications, the 8L90 can handle up to 737 lb-ft of torque, making it a perfect match for powerful GM engines such as the LT1, LT4, and L86.
• Construction:
  The 8L90 is crafted from lightweight aluminum, reducing overall vehicle weight and improving fuel economy without compromising durability. Its compact design also allows for easier installation in a variety of GM vehicles.
  • Applications:
    The GM 8L90 transmission is used across a broad range of GM vehicles, including high-performance sports cars, SUVs, and trucks. Popular models equipped with this transmission include:
    • Chevrolet Corvette (C7)
    • Chevrolet Camaro ZL1
    • Chevrolet Silverado 1500
    • GMC Sierra 1500
    • Cadillac Escalade
    • GMC Yukon

Our 8L90 transmission is packed to the gills with upgrades to help increase longevity and performance. We use an updated pressure regulator valve with boost valve and sleeve to eliminate runaway line pressure. Our accumulators are designed for smooth and more responsive shifting. Converter feed and pressure limit valve controls are all restored. These are just a few of our featured upgrades designed to keep your vehicle on the road and not in the shop. This 8L90 transmission is an OEM replacement for GMC Sierra 1500 and Chevy Silverado 1500 models manufactured in the years 2019, 2020, 2021, and 2022 behind a 5.3 liter engine. Every 8L90 now comes with a performance torque converter and includes our Platinum warranty.