Hydraulic Lock-up Speed Calibration Kit, for GM 700R4 700-R4/4L60 Transmission
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Problem Solver:
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.
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