B&M Holeshot 2400 Torque Converter, 1971-91 Ford C6This B&M HoleShot 2400 fits 1971 91 Ford, Lincoln and Mercury C6 transmissions with a 1. 375 inch crank pilot and has a 11. 4 inch bolt circle. The Holeshot converters are an excellent choice for vehicles with 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 quicker