Gearstar GS8L90L4 8L90E 2WD Level 4 Transmission

The Gearstar 8L90E 2WD Level 4 Transmission is a heavy-duty, performance-built 8-speed automatic transmission designed for high-horsepower Chevrolet and GM rear-wheel-drive applications. Built on the advanced 8L90E platform, this Level 4 transmission incorporates extensive internal upgrades to deliver exceptional durability, precise shift quality, and the strength required for supercharged, turbocharged, and other demanding performance builds.

Engineered for enthusiasts seeking maximum drivetrain reliability, the Level 4 package features enhanced clutch capacity, upgraded hard parts, and performance-calibrated hydraulics to handle elevated torque loads while maintaining excellent street manners. Professionally assembled and tested, this transmission provides fast, consistent gear changes and dependable power delivery, making it an ideal choice for modern muscle cars, pro-touring vehicles, and high-performance street machines.

• Heavy-duty 8L90E 8-speed automatic transmission engineered for high-horsepower GM and Chevrolet 2WD applications
• Level 4 upgrades deliver maximum durability and torque-handling capability for demanding performance builds
• Enhanced clutch capacity and upgraded internal components help support supercharged and turbocharged combinations
• Performance-calibrated hydraulics provide crisp, responsive shifts and consistent power transfer
• Ideal for modern muscle cars, pro-touring builds, and high-performance street vehicles requiring exceptional reliability