Superior Shift Kit 4L60E 4L65E 4L70E

Superior Shift Kit for 4L60E, 4L65E, 4L70E 1998/2005 The Superior Shift Kit is a comprehensive solution for enhancing the performance and reliability of GM 4L60E, 4L65E, and 4L70E transmissions. Designed for both regular and heavy-duty applications, it addresses common issues and improves overall transmission function. Features and Benefits: Includes PWM Powervalve to correct code 1870 while maintaining normal converter computer strategy Oversized checkballs rejuvenate worn separator plates Increases lube oil flow for improved cooling and lubrication Enhances overall transmission performance Corrects/Prevents/Reduces: Code 1870 Delayed engagements Slide bump in 2nd and 3rd gears 3-4 clutch burn-up Issues caused by worn separator plates Fits: GM 4L60E, 4L65E, and 4L70E transmissions (1998–2005) Transmissions: 4L70E (M70) 2004-UP, 4L60E (M33,M30) 1996-UP, 4L65E (M32) 1996-UP Vehicle BUICKRAINIER 2003-2007 4 SP R/4WD L6 4.2L V8 5.3LROADMASTER SEDAN, ROADMASTER WAGON 1995-1996 4 SP RW