Performance Automatic demonstrates how to rebuild a 4L60E transmission with the ability to handle 500 horsepower and more torque.

Learn how to build a 4L60E transmission that can handle over 1,000 horsepower! We'll show you the steps and parts to achieve high-tech performance.

The 4L60-E transmission was popular in Chevy models and other GM cars from 1993 until 2013, but it still had its fair share of issues.