B&M Nitrous HoleShot 3000 stall for 1965-91 TH400, 425 and 1968-81 TH350, 375 transmissions (Not TH350C) is an excellent choice for vehicles with engine modifications, particularly big cams that tend to reduce low end power and torque.
20481 B&M Nitrous Holeshot 3000 Torque Converter,1965-91 GM TH400/425,1968-81
20482 B&M Nitrous Holeshot 3600 Torque Converter, 1965-91 GM TH400,
B&M 20481 NOS Holeshot 3000 Torque Converter, 1965-1991 TH400, TH425 &
