E4OD 4R100, REMANUFACTURED TORQUE CONVERTER, LOW STALL, 12.750" DIAMETER, 11.425" BOLT CIRCLE, SINGLE DISC CLUTCH, 4 STUDS, 1.375" DIAMETER PILOT, CODES: L, N, R, W *FOR MORE A MORE DETAILED DESCRIPTION, PLEASE VISIT ONE OF OUR PRODUCT PAGES ON YOUR DESIRED SELLING PLATFORM!*