Honda, Acura Automatic Transmission Torque Converter | Codes: RA, RBB, RAO Fits Honda Automatic Transmission Transmission Torque Converter HO81 Diameter 10.00"Bolt Cicrle to Bolt Circle: 10.785"Mount: Mount Ring, 8 Holes, 6mm x 1.0Hub: 38 Splines, Stp, Flg, W, Grv, 1.520" ODPilot: 0.945"Splines: 22Stall: MediumCodes: 27 MS at... Part #: HO81 MSRP: Was: Now: $239.99 Decrease Quantity: Increase Quantity: Choose Options