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6L80/6L90 AN Transmission Cooler Manifold
Our Price: $130.00

We now offer a convenient AN trans cooler manifold solution for the 6L80/90 transmission. Made of billet aluminum with included 90 degree swivel -6 AN fittings with 3/8" barbs. Allows you to easily route your transmission cooler lines.

Includes the manifold assembly, AN fittings, seal, and OEM mounting bolt.

Free shipping within the USA.
6L80 Tap Shift Switch Box
Our Price: $150.00

Don't want to switch to a custom shifter? That's OK. The 6L80 will operate with any shifter. Just add our switch box to allow for tap up/tap down shifting. The switch can be mounted any place that's convenient for you.

Requires E38/T43 reprogramming for proper operation.

Add pigtail? Select "Yes" if you're not using a Speartech powertrain harness with the Tap Shift plug built into the harness.

If using this for a Twist Machines Shrifter, you must select "Yes" to "For use with Twist Machines Shrifter" You do not need to select Yes to Add Pigtail!


If you don't have a Speartech harness with the TapShift plug on it, please see here for wiring info.


6L80 / 6L90 / 8L90 Gear Indicator
Our Price: $150.00

Now available - The new gear indicator for swap projects using the 6L80, 6L90 or 8L90 transmission! Easily plugs into your existing OBD-2 port, or available with a quick connection to a new Speartech harness. This allows you to easily see what gear you're in when you're tap shifting with our tap shift switch box, or floor mounted tap shifter!

Now confirmed working for the 8L90 too! Works in factory applications. Just plug into your OBD port. Tested and confirmed functionality on a 2017 Sierra Denali 6.2 / 8L90 factory stock truck!

Available display colors: Red, Blue, Green, or Yellow.

The indicator measures 2" tall, 1.25" wide, .5" thick.

Note - Disconnect the gear indicator when doing any read/write functions (tuning) to the ECM/TCM.
Neutral Safety Switch Module for 6L80 / 6L90
Our Price: $150.00

NSS module for 6L80 / 6L90 applications.

This module allows starting of engine in park or neutral only. No crank in reverse or drive gears. Included with our powertrain packages using the 6L80 / 6L90 transmission. Optional on Speartech harnesses (plug & play), and can be added to other swaps using the 6L80 transmission. Easy hook-up instructions included.
6L80 Floor Mounted Tap Shift Shifter
Our Price: $400.00

Take full control of your 6L80's up shifts and down shifts with our in-house modified tap shift shifter! Includes the cable and brackets.

Available in black or tan. Requires E38/T43 reprogramming for proper operation.

Add pigtail? Select "Yes" if you're not using a Speartech powertrain harness. If you are using a Speartech harness, select "No"

If you don't have a Speartech harness with the TapShift plug on it, please see here for wiring info.
   
 
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