Complete 2 speaker foam surround installation kit Some of the models that use this foam include :BMW Z3 rear subwoofer (Harman Kardon), 280 00 062, 65.13 - 6 902 837, 86160-0W270 and others that match the measurements shownSame American-made surrounds that we use in our professional repair facility; NOT cheap Chinese copies!! Kit includes: - 2 Premium American-made Foam Surrounds (Enough for 2 speakers)- Step-by-step installation instructions - (Also see video below)- 1 Bottle of premium professional-grade adhesive (Solvent-based)- 1 Adhesive application brush Kit 2JBL6-BMW Outer Diameter 6.125" - 156mm Outer Roll Diameter 5.5" - 140mm Cone Diameter 4.375" - 111mm Inner Diameter 4" - 102mm Roll Width 5/8" - 16mm Inner Attachment Angled How To Center Your Voice Coil Using Smartphone or Tablet
