Chrysler & Dodge A404, A413, A470, and A670 Transmission Superior Shift Correction Kit Shift Correction Kit from Superior will improve all A404, A413, A470, and A670 Transmissions from 1978-Up. This Shift Correction Kit helps eliminate the following problems: Premature band failure, sticking governor, overlap 2-3 shift, premature clutch failure, and improves overall performance with 3 level options: regular, heavy duty, and full manual. This Shift Correction Kit will come with installation directions in English and illustrations.