Our Grandmaster Rebuild Kits are the most complete option for the rebuilder looking to do a total overhaul of their 4L60E / 4L65E transmission and want to use the highest quality parts on the market.
The Grandmaster Rebuild Kit includes all the performance parts that you'll find in our 4L60E Super Master Rebuild Kits plus: Torrington Bearing Kit, TP-50 Bit, Upgraded 5-Pinon Front Planet, Upgraded 5-Pinon Rear Planet, High Performance Input Sprag, Heavy Duty Clutch Roller Sprag, Aluminum Accumulator Piston, and a remanufactured TCC upgraded valve body assembly with complete new wiring package.