To ease this SunCoast has created our new "vast load" direct clutch pack. These new clutches are not merely constructed from our SunCoast SCZ carbon graphitic material but a larger wider clutch also. On the SunCoast Group one 66RFE Torque Converter, the use piston is also upgraded to billet content, https://www.rpautohits.com/importance-of-top-notch-transmission-service-ensures-your-vehicles-health/