700 R4 / 2004R Tranny Solid Lockup Controller Kit. Simple EXTERNAL ELECTRONIC TYPE No Vacuum or pressure switches to mess with. You control when you want it in lockup. Works exactly like your cruse control, touch the button to engage, green indicator light will come on to tell you it is in lockup, simply tap the brake to disengage. With an easy to read & follow instructional diagram. Free Shipping Payment by Pay Pal OK

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