Product Description
Shift correction spring kit from Superior Transmission Parts for the Ford and Mazda N4A-EL automatic transmission. It is made to eliminate soft 1-2 and 3-4 engagements.
Superior states that it corrects or prevents a soft or flared 1-2 shift when warm, a soft or flared 2-3 shift when warm, and soft drive or reverse engagements. Superior Transmission Parts number K005.