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Wholesale Automatic Transmissions

COMPUSHIFT Transmission Controllers

Now With Bluetooth Integration

4L80E Transmission Controller

The COMPUSHIFT Sport is the next generation of 4L80E transmission controller.

The Right Connectors For Your 4L80E Transmission Controller

Do you run an Early or Late case pluf on your 4L80E? 4WD or 2WD application? Forced induction or not? No problem – whatever the answer!!! We run you through a quick survey to determine exactly what plugs and cables you need for your specific 4L80E transmission and its specific application. You’ll get exactly the right kit.

Plug and Play Connectors for 4L80E are Included

All our kits come with a full set of 4L80E Plug and Play OEM Connectors because we always seek to make connection easy.

Smart Phone Integration

Program your 4L80E shift strategy using the our World First smart phone integrated transmission controller. This makes programming dead easy – allowing programming via Android or iOS smart phones, tablets, PC’s and Mac’s. Connectivity includes both Bluetooth and dual independent CAN bus networks. All software included.

Fully Customize Your 4L80E Transmission

Get full and precise control of the shifting strategy for your 4L80E. COMPUSHIFT Sport is delivered with versatile factory-set programming for a ide variety of transmission and engine combinations. However, you can completely customize settings to your exact specifications.

Installation Guide

The COMPUSHIFT Sport comes with an easy installation guide to make installing and configuring your 4L80E transmsission controller a breeze.

Engineered to Perfection

All COMPUSHIFT Sport 4L80E transmission controllers are supplied as a complete plug and play assembly. Every assembly has been proudly designed and built in the United States.

Check out the below links for more information.

Rocket Rod gives the low down on the new COMPUSHIFT Sport and Pro

GM 4L80E/4L85E 4 Speed

The GM 4 Speed transmissions that were used primarily in USA vehicles such as the Hummer H1 and Chevy Silverado/Yukon/Tahoe and is a highly popular transmission for use in conversions especially when using an LS or 6.5 diesel engine.

Gear Ratios for GM 4L80E/4L85E 4 Speed

First Gear Second Gear Third Gear Fourth Gear Reverse Gear
2.48 1.48 1.00 0.75 2.07