Number:T74165E Description:SHIFT KIT (SK 4L60E) 4L60E 93-UP 4L60E, 4L65E, 4L70E and 4L75E 93-07 Except Hybrid units.(PWM VALVE UPGRADE)   Corrects/Prevents/Reduces: Fixes Code 1870. Trouble light & Hard 1-2 shift. No lockup or 4th. Has new design Isolator Valve that works perfect in worn bore w/out special tools or machining.   Price:$52.93