February 20, 2018

Harness that Horsepower! Your Guide to a Sonnax 4L60/E Level 3 Performance Build

4l60 e video thumbnail

The GM 4L60/E series are great transmissions used for decades in performance vehicles, but their reputation has somewhat suffered because old-school mods never significantly improved durability. Especially in extreme racing applications, modern horsepower demands modern parts, and that's what Sonnax delivers.

Watch this video to see how to transform a 4L60-E, 4L65-E or 4L70-E into a top-tier performance transmission with Sonnax Level 3 build components. 

Watch Now

 

View News Archive