Ford 4R44E, 4R55E & 5R55E Transmission Superior Shift Correction Kit This Shift Correction Kit from Superior will improve all 4R44E, 4R55E, & 5R55E Transmissions from 1991-2011. This Shift Correction Kit helps eliminate the following problems: Delay reverse, soft sliding shifts, overlap shift timing, 3rd gear slips, slips or loss of forward, low pressure drips and includes regular & heavy duty options that improves overall performance. This Shift Correction Kit will come with installation directions in English and illustrations. We offer a wide range of Superior Shift kits, rebuild kits and everything else you may need for your rebuild! Please see my other listings!