BigStuff3 BS3-005-006 GEN3 PRO SEFI - GM Trans Upgrade


The 4L60E / 4L80E Transmission upgrade enables the control of a GM 4L60E or 4L80E transmission's up & down gear shifts, line pressure & converter lock-up.

If you need this added to your existing BS3 system, you will need to send us your system. This upgrade usually takes 1-2 weeks.

Price: $540.00
SKU: BS3-005-006