TH400, REMANUFACTURED TORQUE CONVERTER, 2000-2200 STALL, 13" DIAMETER, 11.50" BOLT CIRCLE, 6 MOUNTING PADS, 1.703" PILOT DIAMETER, 30 SPLINES *FOR MORE A MORE DETAILED DESCRIPTION, PLEASE VISIT ONE OF OUR PRODUCT PAGES ON YOUR DESIRED SELLING PLATFORM!*