6T40/6T45 SHIFT KIT GMC GEN 1 (2008-2012) T144165A-V

The kit includes a new drop-in AFL valve system. The furnished bushing, valve, spring, spacer and retainer will restore the AFL function using the existing worn bore. For the TCC regulator valve, a drop-in hardened steel valve with re-positioned longer lands that uses a scarf cut sealing ring so that it can seal in the original worn bore. Similarly, a new design PR valve with longer lands restores the function and reliability of the line PR system. Lastly, the kit includes new O-rings and diaphragms to renew the TEHCM pressure switches.

Shift Kit; Generation 1, With New Drop in Torque Converter Clutch Regulator Valve