4L75-E SuperMatic Auto Trans - 4-Speed

The 4L75-E SuperMatic Auto Trans - 4-Speed is a professional-grade automatic transmission engineered by Chevrolet Performance for serious engine builders and street performance enthusiasts. This transmission represents the evolution of proven overdrive automatic technology, designed for vehicles demanding reliable, efficient power delivery across a broad RPM range. Whether you're restoring a classic Chevrolet, building a modern restomod, or upgrading a performance street machine, this transmission combines durability with smooth shift characteristics that enhance both daily driveability and spirited acceleration.

The 4L75-E features a robust four-speed planetary gearset with torque converter lock-up in third and fourth gears, maximizing efficiency and minimizing heat generation during sustained highway cruising. This transmission is designed to adapt to various driving conditions, ensuring consistent engagement. Internally, the 4L75-E utilizes proven friction materials and hardened components that withstand both street driving and moderate performance use.

This transmission is ideal for LS-platform swaps, carbureted V8 restorations, and any project requiring a modern, electronically managed automatic with a compact footprint. The 186-pound weight and dimensions of 23.9 x 21.9 x 45 inches make it well-suited for engine bay integration in retrofit applications without excessive structural modification. With its combination of performance and reliability, the 4L75-E is a top choice for automotive enthusiasts.