All Tuff Stuff alternators are hand built in Cleveland, Ohio and are tested to meet orexceed OEM specifications. AllTuff Stuff alternators are made from 100% new components and carry a one year limited warranty. Tuff Stuff has alternator applications for virtually all muscle cars, hotrods, customs and light trucksin just about every finish imaginable. Available in chrome plated, polished aluminum, powder coated and plain as cast finishes. All alternators are for 12 volt, negative ground systems, except where noted.