GM 6L80/90 and 8L90 Thermostat Bypass Plug

GM 6L80/90 and 8L90 Thermostat Bypass PlugDesigned to be a direct fit into the stock thermal bypass housing on your transmission cooler lines, these bypass plugs will keep your transmission running cooler therefore extending transmission life and preventing costly repairs due to a failed thermostat. CNC machined in the U. S. A. from 7075 aircraft grade aluminum and fitted with Buna O rings these bypass plugs are ready to go. These fit many GM vehicles equipped with the 6L80 90 as well as the

The 980 series bar is our most popular bar and will fit most 2

Such products are intended for off road use only

Verify choke size quick and easy with our 3pc choke gauge set

LOWERS TRANSMISSION OPERATING TEMPS BY UP TO 30 DEG

Designed to be a direct fit into the stock thermal bypass housing on your transmission cooler lines

INCLUDES A NEW LINE RETAINER BRACKET AND O-RINGS FOR EASY LEAK FREE INSTALLATION

00" low torque valves

This gauge set covers choke sizes 18-64 and they have an overall length of 6-1/2"

Replacement of the 1-2-3-4 apply piston is an essential part of every 6L80/90 transmission rebuild

If excess pitting or corrosion is present a leak may occur which will require the housing be replaced as well

PREVENT TRANSMISSION DESTRUCTION FROM A FAILED OEM BYPASS BLOCK

DIRECT FITMENT WITH NO LINE MODIFICATIONS NECESSARY