Better Shifts with a 4r100 manual valve body
If you're tired of the mushy, indecisive shifting in your Ford truck, installing a 4r100 manual valve body might be the smartest upgrade you can make this year. It's one of those modifications that completely changes how the vehicle feels from the driver's seat. Instead of waiting for the computer to decide when it's time to move to the next gear, you're the one calling the shots. ...