4L80E / 4L85E Mechanical Speedometer Conversion

 *PLEASE SEE THE ADDITIONAL PHOTO FOR OUTPUT SHAFT STYLES*

Ready to upgrade to a modern 4 speed electronic transmission but want to use your existing Mechanical speedometer?  Now you can.  With this conversion tail housing, we give you the option to have both the electronic speedometer output for your computer as well as a mechanical speedometer output for your standard GM mechanical speedometer cable.   We must have your tire size and gear ratio and if you have the full spline style output shaft or o-ring style output shaft. 

 *Please allow 4-5 days lead time* These units are custom built to order.