Skip to content

Mopar

Mopar

Circle D billet performance torque converters for Mopar / FCA transmissions — 8HP, NAG1, and 545RFE.

Tech Articles

  • 4L80 Torque Converter Clutch Drag?
    Brady Fedro

    4L80 Torque Converter Clutch Drag?

    Let's talk about torque converter clutch drag when using a multi disc torque converter in a 4L80E transmission. We see this issue come up from time to time, especially (but not limited to) in 4L80E applications equipped with a transbrake...

    Read now