This race prepped Denso™ style alternator offers true one wire hookup, 16V output with 40 amps at idle and 100 amps top end. At 110mm size, it has a high output to weight ratio with low drag, high speed bearings. Another race features is a steel insert in the pivot mounting hole to stop vibration wear. Adjusting ear bolt included, but no pulley. Comes in a natural aluminum finish.