B&M Holeshot 2400 Torque Converter,1967-81 Chrysler,Dodge,Plymouth A727B&M Holeshot 2400 for 1967 81 Chrysler, Dodge, Plymouth Torqueflite A727 automatic transmissions (Non lock up) with 24 spline input and a 10 inch bolt circle. The Holeshot 2400 converter is good for vehicles with some performance engine modifications, particularly big cams that tend to reduce low end power and torque. The higher stall speed of this converter will launch the car in a higher rpm range where more torque is readily available, resulting in