Speaker Rings Nissan Primastar (4/F4/J4) 2002 - Opel Astra G (T98) 03/1998 - 06/2004 Opel Omega (V94) 03/1994 - 06/2003 Opel Vectra B (J96) 1995 - 2002 Opel Vivaro (E7/F7/X83) 2001 - Opel Zafira A (T98) 04/1999 - 06/2005 Opel Zafira B (A-H) 07/2005 - Renault Trafic (EL/FL/JL) 09/2001 - installation point: door rear speaker: 120 mm panel cut out: 111,50 mm outer diameter: Ø 137,50 mm ring height: 17,30 - 37,50 mm