Diameter - 13.785" 310mm, Mount - 6 Tapped Holes, Billet Cover, Low Stall -- Notes - Repl. CR70, 94-Up, A618, 47RE, 47RH (Codes: 634, 644, 868) -- 1.810" Pilot, 23 Splines -- DO NOT USE ON 48RE TRANSMISSIONS -- ***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***