Product Description
A reverse cushion kit from TransGo for TH400 transmissions built 1965-on, not for 4L80E. It addresses harsh reverse engagement, and TransGo states the transmission does not need to be removed from the vehicle to install this kit.
TransGo part number 400RK is the kit reference for this reverse cushion kit.
Notes
TH400 Reverse Cushion Kit Fits all 400 1965-on Does not fit 4L80E Corrects/Prevents/Reduces: Harsh reverse engagement Transmission removal is not required for this upgrade!