5500 TransKing 10.5" Nitrous torque Converter. Was running on a 632 bbc 2 kits, power glide turbospline, approximately 25-30 passes before pulled due to set up change. Running with an 1/8 mid plate.
20482 B&M Nitrous Holeshot 3600 Torque Converter, 1965-91 GM TH400,
20481 B&M Nitrous Holeshot 3000 Torque Converter,1965-91 GM TH400/425,1968-81
