Aftermarket Torque Converters and Valve Bodies – What benefits do they have?
A. There are a variety of aftermarket kits and components available that claim significant benefits when installed on the Allison transmission in pickup trucks. Allison does not endorse or recommend any of these components. Allison has tested one company’s ‘high performance’ valve body, which claims to increase clutch capacity. Allison Engineering determined that this valve body provided none of the advertised benefits.
