for sale is a never used Spicer brand Ford 31 spline transmission slip yoke for the Tremec, TKO-5, E4OD, FMX with 1330 u-joints, has new seal included, don't have the original box, but the part # should be #7585621 at Denny's driveshaft website, measures about 6 inches from outer edge to the center of the U-joint, seal surface is about 4.5 inches in length, $40 as pictured with seal, both never used, will ship at buyer's expense, call (330)-
/p_series_tremec_transmission_slip_yoke_31_splines.html