Kit, Lock Up, 4th Gear, 700-R4, 4L60, GM (82-93)

* The lock up valve and sleeve was used in early valve bodies 81 thru 86. The later valve bodies, 86 thru 89, kept the valve bore, but were non-functional. 90 thru 93 valve bodies were produced without the valve bore. As long as the bore is in the valve body, the hydraulic package will apply.

* This kit includes 5 different springs giving 5 select lock up speed choices.

* This kit includes all valves necessary.

* It allows non-electrical operation of lock up.

* No more searching through cores looking for the inner valve.