
Circle D Specialties GM 258mm Pro Series 4L80E Torque Converter
Pro Series Billet Torque Converter | Converter Diameter: 258mm / 10.25-inches | Available in stall speeds from 2,800 - 3,700+ RPM PLEASE WRITE NOTES ON BUILD SHEET TO DETERMINE PROPER STALL SPEED! LS or LT swap with 4L80E! Our 258mm option will provide you with a variety of stall speeds to choose from. Our CNC-machined billet steel front cover features a variety of bolt pattern options to suit virtually any LS or LT flexplate out there. An LS-length pilot eliminates the necessity for any pilot extension sleeve. Heavy duty TIG welded fins & full furnace brazing ensure the strongest possible converter possible! Pro Series Billet Torque Converter -- Converter Diameter - 258mm - 10 1/4" Available in stall speeds from 2800 - 3700 rpm Furnace Brazed Hand TIG Welded Turbine Hub Torrington Bearings Billet Front and Billet Piston Flanged Impeller Hub for Anti-Flex Durability Hand Assembled to Exacting Tolerances