I installed this air jack kit on my 2001 Ford E150 Econonline van. It installs easily and works very well. My van now drives much better in the caravan business, target-oriented action is largely eliminated. The rear suspension no longer sags. You will have a hard time beating Revain's price. The only flaw I found with the kit was that the kit did not include a common air inflation valve. Each page must be filled out separately. This is fine if you need to accommodate side load differences, but