B&M Holeshot Chev Turbo 350 OR Turbo 400 2400 RPM Stall Convertor # BM20412B&M Holeshot Chev Turbo 350 OR Turbo 400 2400 RPM Stall Convertor # BM20412 Torque Converter, Holeshot, 2,300 2,500 rpm Stall Range, Chevy, TH400 TH375 TH350 TH375B TH425, Each Torque Converter Use: Street Strip Stall Speed Rating RPM Range: 2,300 2,500 Torque Converter Bolt Circle (in.): 10. 750 in. Anti Ballooning Plate: No Lockup Compatible: No Furnace Brazed: Yes Balanced: Yes Mounting Hardware Included: No Torque Converter Stall Note: Actual