4L80E / 4L85E 300M Output Shaft - 2-Piece - Shortened For Use w/ T400 Extension Housing - 6.260" Overall Length - 3.685" Spline Length

* Reduces the overall length of the 4L85E by 1.847, requires use of a T400 4” extension housing, Part #701935

These new heavy duty output shafts feature a unique 2-piece design with an extended bearing surface. They are gun-drilled to save weight with no governor or speedometer support. A “must have” for your T-400 when high horsepower meets heavy weight or rear gear is numerically low. This strong, affordable option is easily installed and can be purchased outright or as an upgrade option in your next ATI 400 transmission.