All NEW GM type, one connection alternator with 12 volt negative ground configurations. Features: (60 AMP) output; new rotor and slip rings; US made front and rear high quality sealed bearings; sealed custom designed OEM type regulator; brush housing and OEM type brushes and springs, diode trio, main rectifier and heat sink assembly; Max-R Pulley delivering 3 times engine speed; new windings; engine mounting bracket; belt tensioner, and instructions. Units are finished in a Model A black paint. 12 volt units are supplied with instructions for 12 volt negative ground conversion. These units are now supplied with NEW engine mounting H bracket with forward and rearward belt adjustability. No used parts are involved in constructing Nu-Rex Alternators.