Diameter - 11", Wide Ring Gear, 91 Gram Weight, High Stall: Notes - Offset Bolts, Slotted Hub; Codes: 125, 520, 858; 1.810" Pilot, 4 Pads, 24 Splines Industry Part Number: CR58 ***A518/A618 TORQUE CONVERTER PRICES INCLUDE FREE SHIPPING TO THE CONTINENTAL UNITED STATES & $95 REFUNDABLE CORE CHARGE. WE WILL REFUND THE CORE CHARGE TO THE PAYMENT METHOD USED FOR THE ORGINAL PURCHASE. PLEASE SEE OUR CORE RETURNS PAGE FOR DETAILS***