November 24, 2015
It is recommended that this kit only be utilized in warm climates, or with synthetic fluids when used to replace the OE thermal bypass element. If used in '17-later applications to replace a missing blocker plug, it must be used in conjunction with Sonnax converter limit valve kit 126740-25K. See instructions for details.
Sonnax bypass blocker valve kit 126740-26K allows the faulty OE thermal element lineup in Ford 6R140 valve bodies to be eliminated, thus preventing the potential of transmission overheat. The drop-in Zip Valve™ installs quickly and easily.Learn More About Zip Valve™ Drop-In Repairs