Great performance torque converter for a daily driven car. This torque converter will have great street manners and only flash high when you want it. Converter Diameter: 278mm - 11" Stall speeds 2600 to 3200 RPM Hand TIG Welded High Carbon Spun Wound Lock-Up Clutch Lining Heavy Duty Torrington Bearings Exclusive CDS Bearing Retainer LS Bolt Pattern Only Fits the 4L60 LS Dished Style Flexplate with the short LS crank, any questions please call.