Check the listing for details. 40427 B&M Tork Master 2000 Torque Converter, 1966-91 Ford C6. Condition: New, Made in US. Listed at 399.95 USD. 1.375-inch crank pilot, 11.4-inch bolt circle, 1800-2200 RPM stall. This B&M Tork Master 2000 fits 1966-91 Ford C6 transmissions with a 1.375-inch crank pilot and has a 11.4-inch bolt circle. Don't let the exceptional value fool you into thinking Tork Master Converters are not packed with lots of quality features, making them the best value-priced street performance converters money can buy. These converters perform best when paired with stock to modified engines up to 350hp/350 ft lbs of torque, and lighter weight applications, like street rods. The Tork Master will provide noticeably quicker launches and harder acceleration while maintaining normal daily driving qualities. Upgrades like a new precision alloy steel pump drive tube, needle thrust bearing when factory equipped, new thrust.