Blaupunkt Porsche 4" Speaker Foam Surround Repair Kit - 2BP4

Complete 2 speaker foam surround installation kit Some of the models that use this foam include : Blaupunkt 271, B63, 863, 1275, Porsche 928, other models of Porsche with speakers that look like the photos and match the measurements shown Same 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 - FREE shims available on request Kit 2BP4 Outer Diameter 3.88" - 98mm Outer Roll Diameter 3.56" - 90mm Cone Diameter 2.92" - 74mm Inner Diameter 2.6" - 66mm Roll Width 5/16" - 8mm Inner At