AODE 4R70W 4R75W, REMANUFACTURED TORQUE CONVERTER, 2400-2600 STALL, 12.75" DIAMETER, 11.5" BOLT CIRCLE DIAMETER, 4 STUDS, 31 SPLINES *FOR MORE A MORE DETAILED DESCRIPTION, PLEASE VISIT ONE OF OUR PRODUCT PAGES ON YOUR DESIRED SELLING PLATFORM!*