4L85E 4X4

The Gearstar 4L85E 4×4 performance transmission lineup is engineered for off-road rigs, high-torque engines, and demanding four-wheel-drive applications. Each transmission is custom-built to order and dyno-tested to ensure strength, reliability, and smooth shifting under severe conditions. Whether you’re building a lifted truck, desert racer, or heavy-duty 4×4 cruiser, these transmissions feature upgraded internals and performance components designed to handle increased horsepower and torque loads. With options spanning from Level 4 to Pro Series builds, you can choose the transmission that matches your power goals and application needs. Gearstar 4L85E 4×4 units offer dependable performance where weaker transmissions often fail.