245mm Pro Series 4L80E Torque Converter

The Circle D Specialties GM 245mm Pro Series 4L80E Torque Converter is a custom-manufactured component engineered for high-performance applications. This torque converter boasts a 245mm (9 3/4 inch) diameter and is available in stall speeds ranging from 3000 to 4600 rpm, with custom options also available. Constructed for durability and performance, the Pro Series converter features furnace brazed seams, hand TIG welded construction, and Torrington bearings. It is equipped with a billet front cover and billet piston for enhanced strength and reliability. Customers can select from various configurations to match their specific needs. Options include non-lockup, single disk lock-up, and 3-disk lock-up designs. Further customization is possible with the availability of spragless (only on non-lockup) and mechanical diode upgrades, which can enhance performance and longevity.