GM 300mm HP 4L80 LS Torque Converter

The Circle D Specialties GM 300mm HP 4L80 LS Torque Converter is engineered for performance daily drivers, providing excellent street manners while achieving high stall speeds only when you demand them. This converter is hand TIG welded and features a durable woven lockup clutch lining for longevity. Constructed with robust components, this torque converter includes heavy-duty Torrington bearings and an exclusive CDS bearing retainer for enhanced reliability. An anti-balloon plate is integrated to prevent premature failure under stress. The unit features an LS bolt pattern for compatibility with specific LS-style flexplates. An optional billet front cover upgrade is available for an additional $100, which allows for the use of a factory 4L80 flexplate. Pilot length options include Standard LS and a Long Crank version suitable for LQ4 & SBC applications.