I have a complete setup for a e40d/4r100 trans used for 3 years, truck got traded in we took unit off it has been sitting for 4 years not getting used at all we have all the electronics, ext housing and gear vendor, you will only need to shorten driveshaft to use this it is for a 2whl drive truck. you can use this on anything if you buy the correct adapter for other trans or transfer case from gear vendor $1200.00 firm working and in good condition