Ford AOD Transmission Superior Shift Correction Kit This Shift Correction Kit from Superior will improve all AOD Transmissions from 1980-92. This Shift Correction Kit helps eliminate the following problems: Weak 1-2 shifts, erratic 1-2 shifts, erratic 3-4 shifts, down shift shudder, premature clutch failure and this shift kit will improve overall performance. This Shift Correction Kit will come with installation directions in English and Spanish and illustrations.