4T80-E Torque Converter, Lock Up (GM86A) 4T80E Automatic Transmission Lock-Up Torque Converter Diameter: 11.250" Bolt Circle To Bolt Circle: 9.80" Mount: 4 Pads; 10mm x 1.5 Hub: Bushing Pilot: Diameter 0.824" Splines: 30 Stall: Low Codes: 24201885, 24205484, 24209248, 24209250,... Part #: GM86A MSRP: Was: Now: $366.99 Decrease Quantity: Increase Quantity: Choose Options