Audio System M 165 PLUS SPEAKER 16.5 cm Alfa Romeo 156 1997-2005: Amazon.de: Electronics & Photo
Sound-way Spacer rings adapters and harness kit for 6.5" inch / 165 mm speakers compatible with Fiat, Lancia, Alfa Romeo, Vauxhall, Ford, Peugeot, Citroen, Iveco : Amazon.co.uk: Electronics & Photo
Amazon.com: Alfa Romeo 147 Speaker Adaptors Rings 16 cm 165 mm 6.5"+ Speaker Adapters 2001 - Onwards : Automotive
Alfa 159 (05-12) Hertz Speakers 165 mm Front Door or Rear Doors with Premium Insulation STP BLACK PANELS Pack of 8 Silver 375x265x1,8 mm Each) : Amazon.de: Electronics & Photo