I bought a complete single kit a little over a year ago. The quality of the parts is excellent but customer satisfaction leaves a lot to be desired. In my opinion they ripped me for shipping and crating. While I admit to not asking (which is only my fault) it was none the less a heck of a high amount to pack the parts in a cardboard box, my $499 kit was over $700 delivered by UPS, just ask and you wont get supprized. Other beef with dealing with them is they are not exactly personable on the phone. The guy that deals in the Indian parts isn't too bad but the others are A-holes. Overall satisfaction rating D- I now deal with Diesel Electric Services, Dieselman here and satisfaction rating is A+. My suggestion is to give him a try.