B&M Tork Master Torque Converter Chev Turbo 700 Trans 2400 Stall # BM70418B&M Tork Master Torque Converter Chev Turbo 700 Trans 2400 Stall # BM70418 Torque Converter, Tork Master, 2,300 2,500 rpm Stall Range, Chevy, 4L60 4L60E 700R4, Each orque Converter Use: Street Strip Stall Speed Rating RPM Range: 2,300 2,500 Torque Converter Bolt Circle (in.): 10. 750 in. Input Spline Quantity: 30 Anti Ballooning Plate: No Lockup Compatible: Yes Crank Pilot Diameter (in.): 1. 703 Furnace Brazed: No Balanced: Yes Mounting Hardware