EnDuralast I Charging System for BMW Airhead.
Stock Replacement EnDuraLast I Alternator Charging System. The EnDuraLast I Charging System comes with a 107mm outside diameter stator (timing cover side) and stator frame side outside diameter is 107.5mm to fit BMW R Airhead's from 1977-1995.
Review Brook Reams installation on his 1977 R100RS!