they are great compressors they pretty much are big boxes not to hard to mount there might already be a mount for your truck.. few things you will need.. leader hose water trap, fittings for the top of the compressor, air filter, clutch depending on how its mounted(if mounted near alternator you can use v belt pulley that goes on alt. i believer it is the York 209 that air lift use to use. much of this can be had on kilby Enterprises or on various web sites. there is a little bit of maintenance to them with checking oil and what not. they are great compressors put out a ton of air! i have them on all my trucks.
http://www.kilbyenterprises.com/